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How to handle AccessViolationException
...sViolationException, the debugger breaks on the method call (doc.OCR), and if I step through, it continues to the next line instead of entering the catch block. Additionally, if I run this outside of the visual studio my application crashes. How can I handle this exception that is thrown within t...
Better way to revert to a previous SVN revision of a file?
...thing - say, I'm at revision 855, I want to revert a file to revision 854. If I do svn merge -c -854 my.file, and then do svn diff, it seems to show one revision before 854 (that is, 853); only when I do svm merge -c 854 myfile (without the -), it looks like myfile is reverted to rev 854. Thanks aga...
Using Application context everywhere?
...ith anything that deals with the GUI that requires a Context. For example, if you pass the application Context into the LayoutInflater you will get an Exception. Generally speaking, your approach is excellent: it's good practice to use an Activity's Context within that Activity, and the Application ...
How to put an image in div with CSS?
...nt/
This has been tested on Chrome, firefox and Safari. (I'm on a mac, so if someone has the result on IE, tell me to add it)
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Finding the average of a list
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if the list is composed of ints, the the result under python 2 will be an int
– mitch
Jan 27 '12 at 21:01
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How can I mask a UIImageView?
...geView.layer.mask = mask;
yourImageView.layer.masksToBounds = YES;
For Swift 4 and plus follow code below
let mask = CALayer()
mask.contents = [ UIImage(named: "right_challenge_bg")?.cgImage] as Any
mask.frame = CGRect(x: 0, y: 0, width: leftBGImage.frame.size.width, height: leftBGImage.frame.si...
Read and overwrite a file in Python
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If you don't want to close and reopen the file, to avoid race conditions, you could truncate it:
f = open(filename, 'r+')
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.write(text)
f.truncate()
f.close()
Th...
What is a unix command for deleting the first N characters of a line?
...un essentially that command, 'cut' doesn't print the results to stdout ... if i just run 'tail -f logfile | cut -c 5-' i can see the results ... the problem must be with grep i'm using cygwin FYI thanks
– les2
Jun 9 '09 at 19:15
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What is the X-REQUEST-ID http header?
...en you're operating a webservice that is accessed by clients, it might be difficult to correlate requests (that a client can see) with server logs (that the server can see).
The idea of the X-Request-ID is that a client can create some random ID and pass it to the server. The server then include th...
How to escape the % (percent) sign in C's printf?
... your example:
printf("hello%%");
Escaping '%' sign is only for printf. If you do:
char a[5];
strcpy(a, "%%");
printf("This is a's value: %s\n", a);
It will print: This is a's value: %%
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