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Get random item from array [duplicate]
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Used this inline to randomly pick youtube video from playlist on page load and is working great: <?php $videos = Array(0,1,2,3); echo $videos[array_rand($videos)]; ?>
– ioTus
Jul 3 '14 at 6:07
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[es6] import, export, default cheatsheet - 更多技术 - 清泛网 - 专注C/C++及内核技术
...re(x) + square(y));
}
//------ main.js ------
import { square, diag } from 'lib';
console.log(square(11)); // 121
console.log(diag(4, 3)); // 5
or
//------ main.js ------
import * as lib from 'lib';
console.log(lib.square(11)); // 121
console.log(lib.diag(4, 3)); // 5
2. Default exp...
How to find nth occurrence of character in a string?
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Apart from the "off-by-one" error, there is another great positive in @Jon Skeet's solution - With a minor tweak (reversing the loop), you can have the "nth occurrence from the last" as well.
– Karan Chadha
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Downloading Java JDK on Linux via wget is shown license page instead
When I try to download Java from Oracle I instead end up downloading a page telling me that I need agree to the OTN license terms.
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Generating file to download with Django
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To trigger a download you need to set Content-Disposition header:
from django.http import HttpResponse
from wsgiref.util import FileWrapper
# generate the file
response = HttpResponse(FileWrapper(myfile.getvalue()), content_type='application/zip')
response['Content-Disposition'] = 'attachm...
System.Timers.Timer vs System.Threading.Timer
...ill, by default, call your timer event handler on a worker thread obtained from the common language runtime (CLR) thread pool. [...] The System.Timers.Timer class provides an easy way to deal with this dilemma—it exposes a public SynchronizingObject property. Setting this property to an instance o...
Error: “The node to be inserted is from a different document context”
...stackoverflow.com%2fquestions%2f3019136%2ferror-the-node-to-be-inserted-is-from-a-different-document-context%23new-answer', 'question_page');
}
);
Post as a guest
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Unable to begin a distributed transaction
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Found it, MSDTC on the remote server was a clone of the local server.
From the Windows Application Events Log:
Event Type: Error
Event Source: MSDTC
Event Category: CM
Event ID: 4101
Date: 9/19/2011
Time: 1:32:59 PM
User: N/A
Computer: ASITESTSERVER
Description: ...
Can I call a constructor from another constructor (do constructor chaining) in C++?
...ature (called delegating constructors).
The syntax is slightly different from C#:
class Foo {
public:
Foo(char x, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there's no way to do this in C++03, but there are two ways of simulating this:
You can combine two (or more...
How do I get the full path of the current file's directory?
...one.
Also note that if you are running interactively or have loaded code from something other than a file (eg: a database or online resource), __file__ may not be set since there is no notion of "current file". The above answer assumes the most common scenario of running a python script that is in...