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Check if my app has a new version on AppStore
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Here is a simple code snippet that lets you know if the current version is different
-(BOOL) needsUpdate{
NSDictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString* appID = infoDictionary[@"CFBundleIdentifier"];
NSURL* url = [NSURL URL...
How can I change the default Django date template format?
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I think this works only if date is provideded as a datetime object. What if it is just a string passed from the view?
– Mohammed Shareef C
Dec 13 '16 at 5:33
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What is the difference between atomic and critical in OpenMP?
...ite right. I don't think that statement was ever correct, I'll correct it now.
– Jonathan Dursi
Jun 27 '16 at 14:04
A...
Reading a file line by line in Go
... in Go. I can figure out how to quickly write one, but I am just wondering if I'm overlooking something here. How does one read a file line by line?
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Using Vim's persistent undo?
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This now works as expected: file.txt open in a Vim 7.4 buffer on Windows 7, :setlocal undofile, then save a change to the buffer, and the undofile .file.txt.un~ is created alongside because :set undodir? reports that "undodir=." b...
Javascript: get package.json data in gulpfile.js
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@spikeheap I don't know if I've ever laughed out loud before reading a comment on StackOverflow, but I was RIGHT there with you! Thanks for the cheers. Haha.
– bit-less
Jun 19 '16 at 4:27
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The point of test %eax %eax [duplicate]
...P subtracts the operands and sets the flags. Namely, it sets the zero flag if the difference is zero (operands are equal).
TEST sets the zero flag, ZF, when the result of the AND operation is zero. If two operands are equal, their bitwise AND is zero when both are zero. TEST also sets the sign flag...
How can I extract a good quality JPEG image from a video file with ffmpeg?
...v 4 -frames:v 1 output.jpg
This will work with any video input. See below if your input is MJPEG.
MJPEG
If your input is MJPEG (Motion JPEG) then the images can be extracted without any quality loss.
The ffmpeg or ffprobe console output can tell you if your input is MJPEG:
$ ffprobe -v error -sele...
gdb: how to print the current line or find the current line number?
...sing most common register rip nowadays, replace with eip or very rarely ip if needed):
(gdb)info line *$rip
will show you line number and file source
(gdb) list *$rip
will show you that line with a few before and after
but probably
(gdb) frame
should be enough in many cases.
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How do I protect Python code? [closed]
... you use a exe-packager like py2exe, the layout of the executable is well-known, and the Python byte-codes are well understood.
Usually in cases like this, you have to make a tradeoff. How important is it really to protect the code? Are there real secrets in there (such as a key for symmetric enc...