大约有 48,000 项符合查询结果（耗时：0.0422秒） [XML]
Pick a random element from an array
...array = ["Frodo", "sam", "wise", "gamgee"]
let randomIndex = Int(arc4random_uniform(UInt32(array.count)))
print(array[randomIndex])
The castings are ugly, but I believe they're required unless someone else has another way.
...
How do I declare an array of weak references in Swift?
...T] {
return objects.flatMap { $0.object }
}
func contains(_ object: T) -> Bool {
return self.objects.contains(WeakObject(object: object))
}
func addObject(_ object: T) {
self.objects.formUnion([WeakObject(object: object)])
}
func addObjects(_ obj...
Android AsyncTask testing with Android Test Framework
... runTestOnUiThread():
public final void testExecute() {
startActivity(_startIntent, null, null);
runTestOnUiThread(new Runnable() {
public void run() {
Button btnStart = (Button) getActivity().findViewById(R.id.Button01);
btnStart.performClick();
}
...
Is it possible to change the textcolor on an Android SearchView?
...ans using reflection. Also works with appcompat.
– dj_bushido
Jan 3 '15 at 22:44
You can also set android:theme on the...
One SVN repository or many?
...z
realm = Repos1 SVN Repository
File: /var/svn/conf/authz
[groups]
group_repos1_read = user1, user2
group_repos1_write = user3, user4
group_repos2_read = user1, user4
### Global Right for all repositories ###
[/]
### Could be a superadmin or something else ###
user5 = rw
### Global Rights for o...
Where to find Java JDK Source Code? [closed]
...d page, what to I have do download? The big file jdk-6u21-ea-src-b04-jrl-05_may_2010.jar, 136.48 MB? I already downloaded that one. But doesn't contain the source code.
– Martijn Courteaux
May 24 '10 at 12:06
...
Pass in an array of Deferreds to $.when()
...use Function.prototype.apply, so in this case you need:
$.when.apply($, my_array).then( ___ );
See http://jsfiddle.net/YNGcm/21/
In ES6, you can use the ... spread operator instead:
$.when(...my_array).then( ___ );
In either case, since it's unlikely that you'll known in advance how many form...
Iterating through a JSON object
...
Your loading of the JSON data is a little fragile. Instead of:
json_raw= raw.readlines()
json_object = json.loads(json_raw[0])
you should really just do:
json_object = json.load(raw)
You shouldn't think of what you get as a "JSON object". What you have is a list. The list contains two d...
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...d onSaveInstanceState(Bundle outState) {
outState.putString("WORKAROUND_FOR_BUG_19917_KEY", "WORKAROUND_FOR_BUG_19917_VALUE");
super.onSaveInstanceState(outState);
}
In the end the proper solution was (as seen in the comments) to use :
transaction.commitAllowingStateLoss();
when adding ...
How to run a PowerShell script from a batch file
...y Bypass Invoke-WebRequest https://www.example.com/example.ics -OutFile C:\_my\script.ics' -Verb RunAs}"; or powershell -Command "Invoke-WebRequest https://www.example.com/example.ics -OutFile c:\_my\file.ics", or using the -File option to same in a .ps1 file, or (New-Object Net.WebClient).DownloadF...