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How can I split a string into segments of n characters?
...(which you want to count as a character rather than splitting the string), then the . won't capture those. Use /[\s\S]{1,3}/ instead. (Thanks @Mike).
If your string is empty, then match() will return null when you may be expecting an empty array. Protect against this by appending || [].
So you may...
What does “javascript:void(0)” mean?
...
The void operator evaluates the given
expression and then returns undefined.
The void operator is often used merely
to obtain the undefined primitive
value, usually using “void(0)” (which
is equivalent to “void 0”). In these
cases, the global variable undef...
SearchView's OnCloseListener doesn't work
... choice but give up "oncloselistener". Instead, you can get your menuItem, then setOnActionExpandListener. Then override unimplents methods.
@Override
public boolean onMenuItemActionExpand(MenuItem item) {
// TODO Auto-generated method stub
Log.d("*******","onMenuItemActionExpand");
re...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
...code is great. However, if accessing a subscript could possibly return nil then you have changed the return type of Array's subscript method to be an optional. This changes your code to:
var fruits: [String] = ["Apple", "Banana", "Coconut"]
var str: String = "I ate a \( fruits[0]! )"
// ...
Row Offset in SQL Server
...
If you will be processing all pages in order then simply remembering the last key value seen on the previous page and using TOP (25) ... WHERE Key > @last_key ORDER BY Key can be the best performing method if suitable indexes exist to allow this to be seeked efficien...
How to check the version of GitLab?
...to GitLab
Click on the drop down menu in the upper left. Select Help.
And then the version appears at the top of the page
Via the ReST API
Log in as any user, select the user icon in the upper right of the screen. Select Settings > Access Tokens. Create a personal access token and copy it to ...
How do I Disable the swipe gesture of UIPageViewController?
... save off the old datasource in a variable, set the datasource to nil, and then restore the old datasource to re-enable scrolling. Not all that clean, but much better than traversing the underlying view hierarchy to find the scroll view.
– Matt R
Aug 13 '14 at ...
Signal handling with multiple threads in Linux
...et = t;
}
/*
* Found a killable thread. If the signal will be fatal,
* then start taking the whole group down immediately.
*/
if (sig_fatal(p, sig) &&
!(signal->flags & SIGNAL_GROUP_EXIT) &&
!sigismember(&t->real_blocked, sig) &&
(sig == SIGKILL...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...ng of the meaning of volatile and how it impacts processor cache semantics then you don't understand how it works and should not be using volatile. Lock-free programs are very difficult to get right; make sure that your program is right because you understand how it works, not right by accident.)
N...
Stash changes while keeping the changes in the working directory in Git
...orth, another way to do this is to stage the changes you want to keep, and then stash everything using --keep-index:
$ git add modified-file.txt
$ git stash push --keep-index
The commands above will stash everything, but it will leave the files staged in your working directory.
From the official Li...