The Big Programming Thread - Page 512

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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.
2. No recruiting for your cockamamie projects (you won't replace facebook with 3 dudes you found on the internet and $20)
3. If you can't articulate why a language is bad, don't start slinging shit about it. Just remember that nothing is worse than making CSS IE6 compatible.
4. Use [code] tags to format code blocks.

Manit0u

Poland17496 Posts

August 19 2014 09:36 GMT

#10221

Aaaand IE strikes again...


body {
    background-image: url("/images/bkg/img.jpg");
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-position: center bottom;
    background-color: rgba(0, 0, 0, 0);
}

There's no image showing in IE8 at all... Why?

Solution:

http://www.orianapagano.com/background-image-not-displaying-on-ie8/

[image loading]

windzor

Denmark1013 Posts

August 19 2014 09:50 GMT

#10222

On August 19 2014 04:15 Manit0u wrote:
Another problem that just surfaced for me:

IGE plays a major part in important project feature. Now I have to work around that too...

Microsoft is desupporting alot of versions of Internet Explorer by January 2016. Hopefully this will help on moving people to newer versions. But if you support IE 8, your customers already don't want to upgrade unfortunately..

Manit0u

Poland17496 Posts

August 19 2014 10:36 GMT

#10223

On August 19 2014 18:50 windzor wrote:

Show nested quote +

We don't normally support IE8, this is a one-time deal. Thank the gods for that.

Blisse

Canada3710 Posts

August 19 2014 10:36 GMT

#10224

On August 19 2014 18:36 Manit0u wrote:
Aaaand IE strikes again...


body {
    background-image: url("/images/bkg/img.jpg");
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-position: center bottom;
    background-color: rgba(0, 0, 0, 0);
}

There's no image showing in IE8 at all... Why?

Solution:

http://www.orianapagano.com/background-image-not-displaying-on-ie8/

[image loading]

LOL

On August 19 2014 18:50 windzor wrote:

Show nested quote +

IE11 is actually decent. IE12 team from their AMA looks to really want to do well, they're just fighting against negative perception by now. MS really screwed it up big time, but Apple/Google/Firefox never have had to deal with anywhere near level of fragmentation that Microsoft does, and the broken IE6/7/8 complaints only gets perpetuated because of the fragmentation, which stems IE11 efforts to get back on track. Forced browser updates is what I think I read IE is going to do in the near future once everyone below IE11 runs IE6/7/8 in IE11 compat. mode. I'm still loyal to Chrome, but I'm being more open to FF and IE now.

Rotodyne

United States2263 Posts

August 19 2014 13:39 GMT

#10225

My co-worker and I have to support IE8 on a drupal site we are about to create/re-create

It's a news site, and most of the viewers are older people so the IE8 percentage is pretty high -_-

So Manit0u, please keep posting all the problems you run into!

Manit0u

Poland17496 Posts

August 19 2014 14:37 GMT

#10226

On August 19 2014 22:39 Rotodyne wrote:
My co-worker and I have to support IE8 on a drupal site we are about to create/re-create

It's a news site, and most of the viewers are older people so the IE8 percentage is pretty high -_-

So Manit0u, please keep posting all the problems you run into!

Useful stuff (so that you can avoid most of the problems I run into):
http://blogs.msdn.com/b/ieinternals/archive/2011/05/14/10164546.aspx
http://msdn.microsoft.com/en-us/library/s4esdbwz(v=vs.94).aspx
http://www.orianapagano.com/background-image-not-displaying-on-ie8/
http://css-tricks.com/how-to-create-an-ie-only-stylesheet/
https://code.google.com/p/html5shiv/ (so that you can use <header> <footer> <nav> <article> etc.)
https://github.com/scottjehl/Respond (so you can have a semblance of responsiveness and ability to use @media querries)

Note: make sure you're using jQuery v1.x (2.x isn't compatible with IE8) and remember to put your scripts into the <head> section or you can forget about background images...

Best thing would be to do the entire thing in html4 and css2, but that's ugly

I'll post additional info if I run into any more problems.

Edit:

Never EVER use <type="application/javascript"> in IE8. What it will do is:
1. take the first hundred or so lines of the file
2. prepend them to another JS file that comes before it in the HTML
3. give you all sorts of errors

[image loading]

Cynry

810 Posts

August 20 2014 14:11 GMT

#10227

Programming related, but not specific.
In a week I will start a month-long test to know if I'm admited into a new french programming school, called 42 !

No teacher, no lesson, no schedule. "Peer-to-peer", project driven learning.
Never really went deep into programming yet, but I'm pumped !

Wish me luck !

windzor

Denmark1013 Posts

August 21 2014 21:21 GMT

#10228

On August 19 2014 19:36 Blisse wrote:

Show nested quote +

The problem with MS is that they choose to limit IE versions together with OS versions. Until Windows Vista is desupported MS must support IE9 because that is the latest version of IE on the platform. That is why they get the fragmentation together with the non-forced updates.

My company is a bit weary with the forced updates, because we use IE and Safari as components in GUI applications on their platforms. So when IE updates instantly, we need to test our application so our components will work in the new IE version when it comes out, and we need that fix to be backported to potentially 3+ year old software which could be substantiel different. But atleast we only need to test our application against 1 IE version. So i guess somewhere people will say its a win situation

Apple with Safari has another strategy, where the Safari version you use for web components are actually fixed with the Mac OSX version. This means the beheaviour of the browser will not change with updates. But this also means Apple doesnt really fix when bugs appear with the browser. So not a perfect solution either.

N.geNuity

United States5112 Posts

August 22 2014 04:27 GMT

#10229

complete 100% noob here [*nix compiler issues], and I appreciate anyone who has the patience to even read this. My google fu ran out of getting answers that helped:

I am doing very simple out of the box building from open source material [specifically, just gnuchess from gnu project]. I'm working with cygwin to use x11/xwindows (with xming), and I use xwindows and cygwin for work related activities; this is just personal and it's not in any way important or necessary.

It's more that I am just ticked off that it doesn't seem to work, as well as trying to learn a little bit about *nix and compiling.

I've successfully done/built a handful of things through pretty simple:

tar xzf filename.tar.gz [or just extract with 7zip]
./configure
make
make install

and just copying generated .exe over to /usr/bin (I believe --prefix can put in there but just doing bare bones following "read me" file). Since this is all chess related, it was just xboard (the chess GUI for xwindows that can load chess engines into) and polyglot (lets more engines be compatable with xboard), and some chess engines.

so I do not need this at all and am just curious, for my own benefit, why the compiler fails.

1) main question:

I am getting error in makefile after make -q, after successful ./configure
Makingfile:452: recipe for target 'all-recursive' failed
*** [all-recursive] Error 1

the make file calls g++ compiler if that is relevant

2) secondary question or helpful related error messages:

after just $ make or make check, I get error(s) at the end that display:

collect2: error: ld returned 1 exit status
Makefile:493: recipe for target 'gnuchess.exe' failed
make[3]: *** [gnuchess.exe] Error 1
make[3]: Leaving directory '/cygdrive/c/users/~/src'
Makefile:561: recipe for target 'all-recursive' failed
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory '/cygdrive/c/~/src'
Makefile:400: recipe for target 'all' failed
make[1]: *** [all] Error 2
make[1]: Leaving directory '/cygdrive/c/users/~/src'
Makefile:452: recipe for target 'all-recursive' failed
make: *** [all-recursive] Error 1

3) third question, super minor and irrelevant
+ Show Spoiler +

I get a whole bunch of junky text dispalyed after $ make about undefined reference to 'libintl_gettext' , and in ./configure it has a line of

checking for GNU gettext in libintl... yes
checking whether to use NLS... yes
checking where the gettext function comes from... external libintl
checking how to link with libintl... /usr/local/lib/libintl.dll.a -liconv -L/usr/local/lib
checking that generated files are newer than configure... done

it may have actually said "checking for GNU gettext in libintl...no" previous but then I just built gettext from gnu and copy pasted the libintl.dll.a or whatever that was newer and the gettext function. This shouldn't have any relevance to the problem I think...

can anyone explain to like what is causing this in easy to understand terms (don't bother if you know the answer but can't explain to a scrub like me)? is the file actual missing or is it some path issue (says GNU gettext and same directory as every other library/whatever that may be called, but it talks about "external libintl")

Thanks!

tofucake

Hyrule19173 Posts

August 22 2014 06:16 GMT

#10230

ld is the linker, and exit non-zero means failure. From what I can find there's unresolved symbols, which might be related to your gettext problems, which are related to Cygwin being not actually POSIX (you'll run into these issues often enough).

This is related, but the solution worked there and so may work for you (it's an ugly hack, though): http://stackoverflow.com/questions/11803744/compiling-on-windows-why-cygwin-cant-recognize-gettext

Cyx.

Canada806 Posts

August 22 2014 06:17 GMT

#10231

e: tofu's google-fu was stronger than mine... I'm going to bed before I waste more of my time posting late at night

N.geNuity

United States5112 Posts

August 22 2014 23:50 GMT

#10232

well, the google fu skills are strong

just ./configure --disable-nls built everything properly

I would not have expected gettext to cause such problems, but I think some of that is I very obviously dont know C/C++

and I guess digging deep for errors rather than make -q is the way to go

thanks

wozzot

United States1227 Posts

August 24 2014 08:03 GMT

#10233

Probably a dumb question, but are audio samples on uncompressed WAV files stored raw? Could I just tack on any series of short ints onto the end of a 16-bit WAV file and expect it to play as music, or do I have to follow some kind of special convention?

e: Bah, dealing with endianness is annoying

Blisse

Canada3710 Posts

August 24 2014 09:09 GMT

#10234

On August 24 2014 17:03 wozzot wrote:
Probably a dumb question, but are audio samples on uncompressed WAV files stored raw? Could I just tack on any series of short ints onto the end of a 16-bit WAV file and expect it to play as music, or do I have to follow some kind of special convention?

Nope. That's not what uncompressed means :p There's a (complicated) format.

Nesserev

Belgium2760 Posts

August 24 2014 09:32 GMT

#10235

--- Nuked ---

obesechicken13

United States10467 Posts

August 24 2014 20:27 GMT

#10236

Question for the statisticians here:

In R or Python, is it possible to dynamically assign names to a list? Say you have a bunch of files in many different directories and you can't change the directory structure. You want to read in all the files and process the data in them one by one.

What I did in the past was I made a list (because lists are easy to dynamically size) of dataframes (each file is a dataframe). List[[1]] would be the first dataframe.

But now I'm watching some videos and I'm learning about list subsetting and I don't know if it's possible to dynamically assign variables names like "date_csv1.csv" "date_csv2.csv".

In retrospect I should be assigning each file to the same temporary data structure in a loop, aggregating the data in it, and concatenating it to the end of another aggregation dataframe.

Nvm, I should just use assign. Maybe I don't remember my original problem correctly.

Manit0u

Poland17496 Posts

August 24 2014 20:54 GMT

#10237

On August 25 2014 05:27 obesechicken13 wrote:
But now I'm watching some videos and I'm learning about list subsetting and I don't know if it's possible to dynamically assign variables names like "date_csv1.csv" "date_csv2.csv".

I believe that the reasonable way to do it would be this:


int n = 5; // number of unique variables you need to assign.
string[] arr; // where we will store the variable strings

for (int i = 0; i < n; ++i) {
    arr[i] = 'date_csv' + intToString(i + 1) + '.csv';
}

foreach (arr as filename) {
    readFile(filename);
}

That's some pseudocode for you to consider

Grobyc

Canada18410 Posts

August 26 2014 21:07 GMT

#10238

I went to university and got a diploma in network & telecommunications engineering technology which I finished a couple years ago. I am now looking at studying a programming language on my own (free online/home studies), and I'm trying to figure out what programming language would best assist my current education with a heavy emphasis on networking.

My current programming experience: In high school I took a course on C++ as well as in first year of my program I took a course in Java and Unix shell scripting. I didn't really like Java, C++ was more interesting, and I think Unix shell scripting was probably the most useful so far.

I'm also looking at getting a Raspberry Pi to mess around with and test stuff in the next couple weeks once I find a job again. I've also got a relatively powerful computer and have no problem with making and using Linux/Windows VMs in addition here.

Would HTML, PHP, or Unix shell scripting be best? Any other suggestions? I'm kind of interested in pursuing something as I haven't been in school for a couple years now and preferably I'd like to pick something that best goes with my networking and data center experience.

Nesserev

Belgium2760 Posts

August 26 2014 22:16 GMT

#10239

--- Nuked ---

Grobyc

Canada18410 Posts

August 26 2014 22:22 GMT

#10240

Ahh cool, thanks Nesserev. I had someone also recommend me Python recently but don't know much about it nor have any experience with it so I didn't bother mentioning it initially. I think I'll probably end up looking into Python and Bash to begin with.

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