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How to configure Eclipse build path to use Maven dependencies?
...the maven-eclipse-plugin was the cause of my strange unresolved dependency errors. Thanks!
– vaughan
Jun 27 '11 at 15:22
1
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How to validate a url in Python? (Malformed or not)
...alidators import URLValidator
from django.core.exceptions import ValidationError
val = URLValidator(verify_exists=False)
try:
val('http://www.google.com')
except ValidationError, e:
print e
If you set verify_exists to True, it will actually verify that the URL exists, otherwise it will ju...
Remote origin already exists on 'git push' to a new repository
...
You are getting this error because "origin" is not available. "origin" is a convention not part of the command. "origin" is the local name of the remote repository.
For example you could also write:
git remote add myorigin git@github.com:myname...
Fast way to discover the row count of a table in PostgreSQL
... and counts rows in it. A bigger sample increases the cost and reduces the error, your pick. Accuracy depends on more factors:
Distribution of row size. If a given block happens to hold wider than usual rows, the count is lower than usual etc.
Dead tuples or a FILLFACTOR occupy space per block. If...
Size-limited queue that holds last N elements in Java
...like this (I'm typing directly into this window, so buyer beware of syntax errors):
public LimitedSizeQueue implements Queue
{
private int maxSize;
private LinkedList storageArea;
public LimitedSizeQueue(final int maxSize)
{
this.maxSize = maxSize;
storageArea = new LinkedList();
...
close vs shutdown socket?
... very bad. If you just shutdown, subsequent use of the FILE will just give errors until fclose is called.
– R.. GitHub STOP HELPING ICE
Nov 12 '10 at 4:22
26
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How do you use the ellipsis slicing syntax in Python?
... my_scalar[...] = 5. If you do my_scalar[:] = 5, you'll rightfully get an error, because there's no dimension 0 for the : to iterate over.
– SuperElectric
Feb 13 '18 at 11:21
1
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How to force the browser to reload cached CSS/JS files?
I have noticed that some browsers (in particular, Firefox and Opera) are very zealous in using cached copies of .css and .js files, even between browser sessions. This leads to a problem when you update one of these files but the user's browser keeps on using the cached copy.
...
matplotlib does not show my drawings although I call pyplot.show()
...
I tried but I got an error something like: ImportError: No module named _backend_gdk
– Baskaya
Sep 30 '11 at 18:15
6
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What does the keyword Set actually do in VBA?
...
In your case, it will produce an error. :-)
Set assigns an object reference. For all other assignments the (implicit, optional, and little-used) Let statement is correct:
Set object = New SomeObject
Set object = FunctionReturningAnObjectRef(SomeArgument)
...