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CSS overflow-x: visible; and overflow-y: hidden; causing scrollbar issue
...utoff, with 250 representing as many pixels as you need for your dropdown, etc.
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pandas GroupBy columns with NaN (missing) values
...n the Missing Data section of the docs:
NA groups in GroupBy are automatically excluded. This behavior is consistent with R, for example.
One workaround is to use a placeholder before doing the groupby (e.g. -1):
In [11]: df.fillna(-1)
Out[11]:
a b
0 1 4
1 2 -1
2 3 6
In [12]: df.fil...
What is a Windows Handle?
...at is managed by the Windows kernel. A handle can be to a window, a file, etc.
Handles are simply a way of identifying a particulate resource that you want to work with using the Win32 APIs.
So for instance, if you want to create a Window, and show it on the screen you could do the following:
//...
When should I use std::thread::detach?
...shed or had been killed. Hopefully the OS will release the locks on files, etc... but you could have corrupted shared memory, half-written files, and the like.
So, should you use join or detach ?
Use join
Unless you need to have more flexibility AND are willing to provide a synchronization mech...
Convert HH:MM:SS string to seconds only in javascript
...defined input. For example: it's not a string, has no ":" or only "HH:MM". etc.
– Dominik
Sep 26 '17 at 14:09
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Difference between android-support-v7-appcompat and android-support-v4
... library
v7 cardView library
v7 recyclerView library
v7 pallete library etc
v7 appcompat library has following key classes ActionBar, ActionBarActivity, ShareActionProvider.
So adding,
com.android.support:appcompat-v7:21.0.+
dependency in your gradle file, imports the above-mentioned classes.
...
Regex: ignore case sensitivity
...ow can I make the following regex ignore case sensitivity? It should match all the correct characters but ignore whether they are lower or uppercase.
...
Check if URL has certain string with PHP
...URL and the rest check if it contains the word "car".
$url = 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
if (strpos($url,'car') !== false) {
echo 'Car exists.';
} else {
echo 'No cars.';
}
shar...
'UserControl' constructor with parameters in C#
Call me crazy, but I'm the type of guy that likes constructors with parameters (if needed), as opposed to a constructor with no parameters followed by setting properties. My thought process: if the properties are required to actually construct the object, they should go in the constructor. I get two...
How can we programmatically detect which iOS version is device running on? [duplicate]
...j/CJAMacros/blob/master/CJAMacros/CJAMacros.h
Like this:
#define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersi...