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When are C++ macros beneficial? [closed]
The C preprocessor is justifiably feared and shunned by the C++ community. In-lined functions, consts and templates are usually a safer and superior alternative to a #define .
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Disable IPython Exit Confirmation
...ake sure the directory exists (or run ipython profile create to create it) and add these lines to $HOME/.ipython/profile_default/ipython_config.py:
c = get_config()
c.TerminalInteractiveShell.confirm_exit = False
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Timeout jQuery effects
...lay/
$('.notice').fadeIn().delay(2000).fadeOut('slow');
Note: $.show() and $.hide() by default are not queued, so if you want to use $.delay() with them, you need to configure them that way:
$('.notice')
.show({duration: 0, queue: true})
.delay(2000)
.hide({duration: 0, queue: true}...
Calculate relative time in C#
...to accurately describe the value that is in them, it'd be easier to understand. So SecondsPerMinute = 60; MinutesPerHour = 60; SecondsPerHour = MinutesPerHour * SecondsPerHour; etc. Just calling it MINUTE=60 doesn't allow the reader to determine what the value is.
– slolife
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How do I make a branch point at a specific commit? [duplicate]
In Git, I understand that a branch is a pointer to a commit.
4 Answers
4
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Split Python Flask app into multiple files
I'm having trouble understanding how to split a flask app into multiple files.
4 Answers
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How do I cast a variable in Scala?
...rred technique is to use pattern matching. This allows you to gracefully handle the case that the value in question is not of the given type:
g match {
case g2: Graphics2D => g2
case _ => throw new ClassCastException
}
This block replicates the semantics of the asInstanceOf[Graphics2D]...
Date.getDay() javascript returns wrong day
...ponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on.
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Increase heap size in Java
...ou ask for 5g on a 32 bit system java will complain about an invalid value and quit.
As others have posted, use the cmd-line flags - e.g.
java -Xmx6g myprogram
You can get a full list (or a nearly full list, anyway) by typing java -X.
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Execute script after specific delay using JavaScript
...p "threads" or that it should work "synchronously" may be true technically and semantically but don't really fit within the context of JavaScript, considering there really is no way to achieve a delay with either of those methods (you don't create "threads" in JS like you do in other languages). Als...