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Qt events and signal/slots
In the Qt world, what is the difference of events and signal/slots?
10 Answers
10
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Vim: Close All Buffers But This One
...ripts/script.php?script_id=1071
Just put it to your .vim/plugin directory and then use :BufOnly command to close all buffers but the active one. You could also map it elsewhere you like in your .vimrc.
Source on Github (via vim-scripts mirror): https://github.com/vim-scripts/BufOnly.vim/blob/maste...
Appending a line to a file only if it does not already exist
... plain string
https://linux.die.net/man/1/grep
Edit:
incorporated @cerin and @thijs-wouters suggestions.
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What is the difference between UNION and UNION ALL?
What is the difference between UNION and UNION ALL ?
26 Answers
26
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How to reload/refresh an element(image) in jQuery
... Adding a query string variable completely passed my mind. This solved it and the image now reloads on request.
– Alexis Abril
Jan 21 '10 at 16:17
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How can I get the active screen dimensions?
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Screen.FromControl, Screen.FromPoint and Screen.FromRectangle should help you with this. For example in WinForms it would be:
class MyForm : Form
{
public Rectangle GetScreen()
{
return Screen.FromControl(this).Bounds;
}
}
I don't know of an equival...
Get only part of an Array in Java?
... part of it. I know in Python you can do something like this array[index:] and it returns the array from the index. Is something like this possible in Java.
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Good NumericUpDown equivalent in WPF? [closed]
...another lacking control in WPF. There must be some existing ones out there and I don't like to re-invent the wheel.
9 Answe...
append new row to old csv file python
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I prefer this solution using the csv module from the standard library and the with statement to avoid leaving the file open.
The key point is using 'a' for appending when you open the file.
import csv
fields=['first','second','third']
with open(r'name', 'a') as f:
writer...
How do I best silence a warning about unused variables?
I have a cross platform application and in a few of my functions not all the values passed to functions are utilised. Hence I get a warning from GCC telling me that there are unused variables.
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