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When to use thread pool in C#? [closed]
...onsists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you want, if you know how many you need.
Edit: The reason to make your own threads is because of context changes, (thats when threads need to swap in and out of the process, along with their mem...
Naming of ID columns in database tables
...nce of a base poco class with validation and such for tables which share a set of common column names. Using the Tablename + Id as the PK for each of these tables destroys the ability to use a base class for these.
Just some food for thought.
...
Should __init__() call the parent class's __init__()?
...nit__ are no more activated at the moment of instantiation. In order to offset this inactivation, something special is required: calling explicitly the base-class' __init__ , in order to KEEP , NOT TO ADD, the initialization performed by the base-class' __init__ .
That's exactly what is said in the ...
How exactly does __attribute__((constructor)) work?
It seems pretty clear that it is supposed to set things up.
5 Answers
5
...
UIView with rounded corners and drop shadow?
... border radius, and drop shadow to v, a UIView:
// border radius
[v.layer setCornerRadius:30.0f];
// border
[v.layer setBorderColor:[UIColor lightGrayColor].CGColor];
[v.layer setBorderWidth:1.5f];
// drop shadow
[v.layer setShadowColor:[UIColor blackColor].CGColor];
[v.layer setShadowOpacity:0.8...
registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later
...0000
if ([application respondsToSelector:@selector(registerUserNotificationSettings:)]) {
// use registerUserNotificationSettings
} else {
// use registerForRemoteNotificationTypes:
}
#else
// use registerForRemoteNotificationTypes:
#endif
If you are only using Xcode 6, you can stick with ...
What's the point of malloc(0)?
...
Personally, I think setting to NULL is a better cross-platform strategy, since free() is guaranteed (by spec) to work fine on NULL as input.
– Reed Copsey
Jan 7 '10 at 17:50
...
PHP cURL not working - WAMP on Windows 7 64 bit
...n, you must make sure it's activated in php.ini. Make sure extension_diris set to the directory php_curl.dll is in:
extension_dir = "C:/whatever"
and then add
extension=php_curl.dll
share
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improv...
python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
...is takes the last. Not the maximum though:
In [10]: df.drop_duplicates(subset='A', keep="last")
Out[10]:
A B
1 1 20
3 2 40
4 3 10
You can do also something like:
In [12]: df.groupby('A', group_keys=False).apply(lambda x: x.loc[x.B.idxmax()])
Out[12]:
A B
A
1 1 20
2 2 ...
How to force Chrome browser to reload .css file while debugging in Visual Studio?
...
[READ THE UPDATE BELOW]
Easiest way I've found is in Chrome DevTools settings.
Click on the gear icon (or 3 vertical dots, in more recent versions) in the top-right of DevTools to open the "Settings" dialog.
In there, tick the box: "Disable cache (while DevTools is open)"
UPDATE: Now this ...