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Pinging servers in Python
...mmand = ['ping', param, '1', host]
return subprocess.call(command) == 0
Note that, according to @ikrase on Windows this function will still return True if you get a Destination Host Unreachable error.
Explanation
The command is ping in both Windows and Unix-like systems.
The option -n (Wind...
How can I make setInterval also work when a tab is inactive in Chrome?
I have a setInterval running a piece of code 30 times a second. This works great, however when I select another tab (so that the tab with my code becomes inactive), the setInterval is set to an idle state for some reason.
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Why java.io.File doesn't have a close() method?
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edited Jul 10 '14 at 9:40
answered Jan 20 '11 at 20:37
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How to update a git clone --mirror?
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ralphtheninjaralphtheninja
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Redirecting to URL in Flask
...oute('/')
def hello():
return redirect("http://www.example.com", code=302)
if __name__ == '__main__':
# Bind to PORT if defined, otherwise default to 5000.
port = int(os.environ.get('PORT', 5000))
app.run(host='0.0.0.0', port=port)
See the documentation on flask docs. The default ...
Difference between await and ContinueWith
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102
In the second code, you're synchronously waiting for the continuation to complete. In the first...
EJB's - when to use Remote and/or local interfaces?
...ot distributing EJBs on a different tier and they fixed the spec (in EJB 2.0) by introducing the concept of Local interfaces so that clients collocated in the same virtual machine with the EJB container can call EJBs using direct method invocation, totally bypassing RMI semantics (and the associated...
How to change a DIV padding without affecting the width/height ?
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display: block;
}
.outer {
/* specify fixed width */
width: 300px;
padding: 0;
}
.inner {
/* specify padding, can be changed while remaining fixed width of .outer */
padding: 5px;
}
share
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IF statement: how to leave cell blank if condition is false (“” does not work)
... COUNTBLANK, which will count "" as blank, so basically =COUNTBLANK(C1)>0 means that C1 is blank or has "".
If you need to remove blank cells in a column, I would recommend filtering on the column for blanks, then selecting the resulting cells and pressing Del. After which you can remove the fi...
Github: Import upstream branch into fork
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answered Dec 10 '10 at 15:42
urschreiurschrei
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