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Do try/catch blocks hurt performance when exceptions are not thrown?
...tight loops mate. Example the loop where you read and de-serialize objects from a socket data stream in game server and your trying to squeeze as much as you can. So you MessagePack for object serialization instead of binaryformatter, and use ArrayPool<byte> instead of just creating byte array...
How to truncate a foreign key constrained table?
...able foreign key before truncate is also a good way, i did it with success from source: stackoverflow.com/questions/8641703/…
– Dung
Jun 4 '16 at 3:32
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Why should I implement ICloneable in c#?
Can you explain to me why I should inherit from ICloneable and implement the Clone() method?
4 Answers
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Running shell command and capturing the output
...y passing shell=True as described in the notes below.
If you need to pipe from stderr or pass input to the process, check_output won't be up to the task. See the Popen examples below in that case.
Complex applications & legacy versions of Python (2.6 and below): Popen
If you need deep backwa...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
sort provides two kinds of numeric sort. This is from the man page:
3 Answers
3
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snprintf and Visual Studio 2010
... -1, Microsoft's _snprintf is an unsafe function which behaves differently from snprintf (it doesn't necessarily add a null terminator), so the advice given in this answer is misleading and dangerous.
– interjay
Jun 4 '13 at 9:31
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What's “requestCode” used for on PendingIntent?
...endingIntent2 = PendingIntent.getBroadcast(context, 0, startIntent2, 0);
From above example, they will not override each other because the receiver is different(AlarmReceiverFirst and AlarmReceiverSecond)
Intent startIntent2 = new Intent(context, AlarmReceiverSecond.class);
PendingIntent pendingI...
How to check if object property exists with a variable holding the property name?
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hasOwnProperty() is better then myObj[myProp] (from other answers) as it works even if the value of myProp is 0
– Matt R
Oct 26 '12 at 19:48
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In R, how to get an object's name after it is sent to a function?
...ll not succeed inside a local function when a set of list items are passed from the first argument to lapply (and it also fails when an object is passed from a list given to a for-loop.) You would be able to extract the ".Names"-attribute and the order of processing from the structure result, if it ...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...ils.
Examples
Here's what would happen trying to access the following URLs from http://www.example.com/home/index.html
URL RESULT
http://www.example.com/home/other.html -> Success
http://www.example.com/dir/inner/another.php -> Success
http:...