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how to get first three characters of an NSString?
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I'm very new and I searched for this question to try to answer my own, but won't this answer take out the first 3 characters? I use that same syntax to REMOVE the number of characters you set. I'm probably wrong, but thought I should at l...
Why isn't textarea an input[type=“textarea”]?
...single-line fields ("text"), as they really are different types of things, and imply different issues (semantics) for client-side handling.
– Marc Andreessen, 11 October 1993
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...mma is purely optional; §8.3.5/4 does say
Where syntactically correct and where “...” is not part of an abstract-declarator, “, ...” is synonymous with “...”.
This is within an abstract-declarator, [edit] but Johannes makes a good point that they are referring to an abstract-decla...
Get the first N elements of an array?
...c", "d", "e");
$output = array_slice($input, 0, 3); // returns "a", "b", and "c"
There is only a small issue
If the array indices are meaningful to you, remember that array_slice will reset and reorder the numeric array indices. You need the preserve_keys flag set to trueto avoid this. (4th par...
Create a menu Bar in WPF?
... I have prepared a comprehensive tutorial on WPF Menus, Command Binding adding Shortcut keys etc at youtu.be/bdmVWGjpA_8
– Zaheer
Apr 26 at 1:18
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Transparent ARGB hex value
...und color.
To get a fully transparent color set the alpha to zero. RR, GG and BB are irrelevant in this case because no color will be visible. This means #00FFFFFF ("transparent White") is the same color as #00F0F8FF ("transparent AliceBlue").
To keep it simple one chooses black (#00000000) or whit...
How to exit pdb and allow program to continue?
I'm using the pdb module to debug a program. I'd like to understand how I can exit pdb and allow the program to continue onward to completion. The program is computationally expensive to run, so I don't want to exit without the script attempting to complete. continue doesn't seems to work. How can...
Android: HTTP communication should use “Accept-Encoding: gzip”
...set Accept-Encoding: gzip in my HttpClient? The search for gzip in the Android References doesn't show up anything related to HTTP, as you can see here .
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Rounding DateTime objects
...t you round to any interval given. It's also slightly faster than dividing and then multiplying the ticks.
public static class DateTimeExtensions
{
public static DateTime Floor(this DateTime dateTime, TimeSpan interval)
{
return dateTime.AddTicks(-(dateTime.Ticks % interval.Ticks));
}
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Difference between repository and service?
What's the difference between a repository and a service? I don't seem to grasp it.
3 Answers
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