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Display help message with python argparse when script is called without any arguments
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This must come before the call to parser.parse_args()
– Bob Stein
Aug 28 '15 at 14:33
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Elegant way to check for missing packages and install them?
... your code in a package and make them dependencies, then they will automatically be installed when you install your package.
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Why does calling a function in the Node.js REPL with )( work?
Why is it possible to call function in JavaScript like this, tested with node.js:
3 Answers
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Maintain the aspect ratio of a div with CSS
I want to create a div that can change its width/height as the window's width changes.
27 Answers
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java.lang.IllegalArgumentException: View not attached to window manager
... check for us, we have to use unusual way. Also, if a dialog's isShowing() call working as we expect, we do not need this kind of hack.
– SXC
Aug 21 '13 at 20:10
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Implement touch using Python?
...ave been renamed). Unfortunately, Python doesn't seem to provide a way to call futimes without going through ctypes or similar...
EDIT
As noted by Nate Parsons, Python 3.3 will add specifying a file descriptor (when os.supports_fd) to functions such as os.utime, which will use the futimes sysca...
lsof survival guide [closed]
...th -c
lsof -c syslog-ng
The -p switch lets you see what a given process ID has open, which is good for learning more about unknown processes:
lsof -p 10075
The -t option returns just a PID
lsof -t -c Mail
Using the -t and -c options together you can HUP processes
kill -HUP $(lsof -t -c ssh...
What is a C++ delegate?
...using std::bind)
Allows setting some parameters in advance, convenient to call a member function for instance.
struct MyClass
{
int DoStuff(double d); // actually a DoStuff(MyClass* this, double d)
};
std::function<int(double d)> f = std::bind(&MyClass::DoStuff, this, std::placehold...
How do I drop table variables in SQL-Server? Should I even do this?
...nd of patch or scope, it's dropped automatically only if it was created inside stored procedure and stored procedure finished executing
– Abou-Emish
Oct 18 '17 at 18:52
add a ...
onBitmapLoaded of Target object not called on first load
...Target object, thus it's being garbage collected and onBitmapLoaded is not called.
The solution is quite simple, just make a strong reference to the Target.
public class MyClass {
private Target mTarget = new Target() {...};
public void getPointMarkerFromUrl(final String url, final OnBitmapDe...