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Thread Rules
1. This is not a "do my homework for me" thread. If you have specific questions, ask, but don't post an assignment or homework problem and expect an exact solution.
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On February 24 2015 02:46 windzor wrote:Show nested quote +On February 24 2015 02:37 travis wrote:
if I used serialization to save data from my program to a file, will that file be readable/editable in some way that would allow users to manipulate the saved states? because I don't want that.
do I specifically need to find a way to save my files as encrypted to avoid it? If the user have access rights to edit the file he can do it. There is nothing you can do about that. What you can do is create a checksum of the file and use that to detect if the user has changed the file. If so, you can yell at the user and say to stop editing that file.
It depends on how you serialize it. If you dump it into a binary format, it's not editable for your average user, nor is it for the more advanced one as you'll have to figure out what it means. If you dump it in JSON/XML well... Those are designed to be read by humans, soooo :o)
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I have a confession to make. I messed up Fizzbuzz. I didn't notice the part where it asked you to print a number T_T
And I tried to optimize prematurely looking for an elegant solution. Sad.
Please whisper sweet things into my ear that I usually read instructions more carefully, doublecheck my work, and that I like scalable programs.
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On February 24 2015 04:23 obesechicken13 wrote:
I have a confession to make. I messed up Fizzbuzz. I didn't notice the part where it asked you to print a number T_T
And I tried to optimize prematurely looking for an elegant solution. Sad.
Please whisper sweet things into my ear that I usually read instructions more carefully, doublecheck my work, and that I like scalable programs.
Ahahah man you should have seen me take ten minutes to come up with a function that returns the max of three integers... It happens to everyone :D
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Rant...
I somehow truly hate it when people write
null === variable
seems so wrong...
/rant
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On February 24 2015 18:51 Manit0u wrote:Rant... I somehow truly hate it when people write
null === variable
seems so wrong... /rant
wtf why... .WHY T_T
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@blisse
seq is short for sequence, it's a library for manipulating sequences of types.
jeh is my initials, i just put trifles in
there that are not big enough for their
own namespace, but fear the global one.
rewording of enable_if_t (select_if),
to_string for types, abstract / deconstruct.
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On February 24 2015 18:51 Manit0u wrote:Rant... I somehow truly hate it when people write
null === variable
seems so wrong... /rant
One of my colleagues likes to do those yoda conditions. I always refactor them away when I come across them.
I think it's an abomination that originates from the Java world where e.g. someString.equals("foo") could lead to a null pointer exception while "foo".equals(someString) couldn't. Either way, it's so unintuitive and against the way the brain processes information that there is no reason to ever use those.... well, ok, maybe in soviet russia null is variable.
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On February 24 2015 04:15 bangsholt wrote:Show nested quote +On February 24 2015 02:46 windzor wrote:On February 24 2015 02:37 travis wrote:
if I used serialization to save data from my program to a file, will that file be readable/editable in some way that would allow users to manipulate the saved states? because I don't want that.
do I specifically need to find a way to save my files as encrypted to avoid it? If the user have access rights to edit the file he can do it. There is nothing you can do about that. What you can do is create a checksum of the file and use that to detect if the user has changed the file. If so, you can yell at the user and say to stop editing that file. It depends on how you serialize it. If you dump it into a binary format, it's not editable for your average user, nor is it for the more advanced one as you'll have to figure out what it means. If you dump it in JSON/XML well... Those are designed to be read by humans, soooo :o)
No binary files are editable for all users. Just doesn't mean that what they edit are usable in any way or form. It also can make the serialized data unusable. Travis wants to make sure only reliable edits are used by the application.
Not all binary files are all binary data. PDF files are binary files, but I edit them all the time in hand at work to test stuff because big part of the PDF format is non-binary text.
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On February 24 2015 19:50 Morfildur wrote:Show nested quote +On February 24 2015 18:51 Manit0u wrote:Rant... I somehow truly hate it when people write
null === variable
seems so wrong... /rant One of my colleagues likes to do those yoda conditions. I always refactor them away when I come across them. I think it's an abomination that originates from the Java world where e.g. someString.equals("foo") could lead to a null pointer exception while "foo".equals(someString) couldn't. Either way, it's so unintuitive and against the way the brain processes information that there is no reason to ever use those.... well, ok, maybe in soviet russia null is variable.
It's more than that. Older compilers would happily compile:
if (myVar = cMyTestComparator)
{
...
}
without error or warning.
So, people reversed them so that the constant was on the left, which would cause the code to fail to compile.
These days compilers are more likely to catch them, but people are still wont to put things like
if ((myVar = doSomethingObnoxious()) == NULL)
or whatever in their code, so I'm not against Yoda conditioning. It's not like it takes longer to run and it's not exactly unreadable.
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It's not unreadable, but feels super wrong when you're reading code...
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I've been playing around with the meteor framework for javascript lately and was really impressed by on feature of it called Livequery. It is essentially a database connector that allows for your querie results to be automatically updated as the data changes. It works really nice and is extremely pleasant to use.
Now my question is: Is anybody of you aware of something similar for C/Java/.Net ?
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On February 24 2015 18:51 Manit0u wrote:Rant... I somehow truly hate it when people write
null === variable
seems so wrong... /rant
You wouldn't enjoy reading my code then, I do that all the time.  The first programming teacher I had taught us that for exactly the reasons Gowerly described. The compiler might be perfectly capable of detecting it, but it's a habit now, and doing variable == null feels wrong to me so I correct it when I accidentally type it that way.
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Not really a programming question, but is there a programm that gives a user the ability to grant another person remote acess to their computer and control their mouse etc. thats so easy to use that even a toddler would be able to use it. Even if it isnt free, I dont care anymore at this point. I just spend over 90min on trying to assist my grandpa on downloading a programm to open zip-archives without any success, just to realize that he already has 7-zip installed(not in german ofc, that would be silly for someone that only speaks german properly) but him still being unable to open the files in the archive since some photo-stuff programm from hell seems to be set as default programm to open this files(some charts, exel I assume, he propably set the photo-programm as default programm by accident). Since years I am trying to teach him some basic stuff, whats folders etc. and some basic terminology so he wouldnt confuse me when he explains a problem completely wrong. Hes not stupid or demented, hes usually pretty smart but when it comes to computers he is just so clumsy, despite trying his best. I am the only one who has patience to deal with his problems but I need 2 hours one way to get to him and solve his problem in 15min, including writing it down for him step by step. He still uses XP, horribly messed up his interface and therefore I am no longer able to guide him through, I just can guess. I just want a programm where he just has to double-click something to grant me remote acess to his machine, maybe have him allowing me to controll his mouse, but everything has to function simple. Setup can be more complicated as long as it only needs to be done once... please tell me that there is such a programm because I almost lost it during this phonecall.
TLDR:
- need a programm for granting a specific user remote acess
- foolproof
- one time setup
- user who gets remote acess must be able to control the mouse etc. in a easy way and it should be visible for the one who granted remote acess
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meh it feels super wierd.
besides, there aren't any scenario's anymore where we would want to use those old crappy versions of compilers right?
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On February 25 2015 04:10 Artesimo wrote:+ Show Spoiler +
Not really a programming question, but is there a programm that gives a user the ability to grant another person remote acess to their computer and control their mouse etc. thats so easy to use that even a toddler would be able to use it. Even if it isnt free, I dont care anymore at this point. I just spend over 90min on trying to assist my grandpa on downloading a programm to open zip-archives without any success, just to realize that he already has 7-zip installed(not in german ofc, that would be silly for someone that only speaks german properly) but him still being unable to open the files in the archive since some photo-stuff programm from hell seems to be set as default programm to open this files(some charts, exel I assume, he propably set the photo-programm as default programm by accident). Since years I am trying to teach him some basic stuff, whats folders etc. and some basic terminology so he wouldnt confuse me when he explains a problem completely wrong. Hes not stupid or demented, hes usually pretty smart but when it comes to computers he is just so clumsy, despite trying his best. I am the only one who has patience to deal with his problems but I need 2 hours one way to get to him and solve his problem in 15min, including writing it down for him step by step. He still uses XP, horribly messed up his interface and therefore I am no longer able to guide him through, I just can guess. I just want a programm where he just has to double-click something to grant me remote acess to his machine, maybe have him allowing me to controll his mouse, but everything has to function simple. Setup can be more complicated as long as it only needs to be done once... please tell me that there is such a programm because I almost lost it during this phonecall.
TLDR:
- need a programm for granting a specific user remote acess
- foolproof
- one time setup
- user who gets remote acess must be able to control the mouse etc. in a easy way and it should be visible for the one who granted remote acess
I've used Teamviewer in a similar situation. Not sure if it'll have any problems with XP but give it a try.
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@Artesimo: that stuff is built into Windows, but I don't know how it works. Search for "Remote Assistance". There's also "Remote Desktop", but that's not quite what you want, I think.
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On February 25 2015 04:25 Kasto wrote:Show nested quote +On February 25 2015 04:10 Artesimo wrote:+ Show Spoiler +
Not really a programming question, but is there a programm that gives a user the ability to grant another person remote acess to their computer and control their mouse etc. thats so easy to use that even a toddler would be able to use it. Even if it isnt free, I dont care anymore at this point. I just spend over 90min on trying to assist my grandpa on downloading a programm to open zip-archives without any success, just to realize that he already has 7-zip installed(not in german ofc, that would be silly for someone that only speaks german properly) but him still being unable to open the files in the archive since some photo-stuff programm from hell seems to be set as default programm to open this files(some charts, exel I assume, he propably set the photo-programm as default programm by accident). Since years I am trying to teach him some basic stuff, whats folders etc. and some basic terminology so he wouldnt confuse me when he explains a problem completely wrong. Hes not stupid or demented, hes usually pretty smart but when it comes to computers he is just so clumsy, despite trying his best. I am the only one who has patience to deal with his problems but I need 2 hours one way to get to him and solve his problem in 15min, including writing it down for him step by step. He still uses XP, horribly messed up his interface and therefore I am no longer able to guide him through, I just can guess. I just want a programm where he just has to double-click something to grant me remote acess to his machine, maybe have him allowing me to controll his mouse, but everything has to function simple. Setup can be more complicated as long as it only needs to be done once... please tell me that there is such a programm because I almost lost it during this phonecall.
TLDR:
- need a programm for granting a specific user remote acess
- foolproof
- one time setup
- user who gets remote acess must be able to control the mouse etc. in a easy way and it should be visible for the one who granted remote acess
I've used Teamviewer in a similar situation. Not sure if it'll have any problems with XP but give it a try.
TeamViewer is the most common choice. Easy to use, requires no installation on the other side, you just need to make them execute a link and then ask them for an ID the program gives them and you can instantly connect to their PC and control it. No router configuration or such is required.
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Another vote for TeamViewer, RDP doesn't let the other user see the screen while you're using it (locked out).
On February 24 2015 19:42 nunez wrote:
@blisse
seq is short for sequence, it's a library for manipulating sequences of types.
jeh is my initials, i just put trifles in
there that are not big enough for their
own namespace, but fear the global one.
rewording of enable_if_t (select_if),
to_string for types, abstract / deconstruct.
was just wondering because my work has some folders called like /weh/ and I was wondering if they were related :p
Is there an option with SASS (or maybe I'll switch to LESS) that takes all the scss files I have and outputs it in one css file? I usually have like 1 css per scss file for the build system, but I would like to decouple that kind of dependency on the scss files.
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On February 25 2015 05:48 Blisse wrote:Another vote for TeamViewer, RDP doesn't let the other user see the screen while you're using it (locked out). Show nested quote +On February 24 2015 19:42 nunez wrote:
@blisse
seq is short for sequence, it's a library for manipulating sequences of types.
jeh is my initials, i just put trifles in
there that are not big enough for their
own namespace, but fear the global one.
rewording of enable_if_t (select_if),
to_string for types, abstract / deconstruct. was just wondering because my work has some folders called like /weh/ and I was wondering if they were related :p Is there an option with SASS (or maybe I'll switch to LESS) that takes all the scss files I have and outputs it in one css file? I usually have like 1 css per scss file for the build system, but I would like to decouple that kind of dependency on the scss files.
With LESS you can use less compiler (npm install -g less clean-css) to get a minified single css file out of as many less files as you want. All you have to do is create some main.less file and @import all the other files in it. It's just one of the ways to do it. You can also use stuff like Less.php if you prefer it this way.
It's the same for SASS really:
http://stackoverflow.com/questions/5571477/use-multiple-sass-files
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EPT
