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Test if object implements interface
What is the simplest way of testing if an object implements a given interface in C#? (Answer to this question
in Java )
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Verifying that a string contains only letters in C#
...:
Regex.IsMatch(theString, @"^[\w]+$");
Note, these patterns also match international characters (as opposed to using the a-z construct).
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How to clear a notification in Android
...ag to your Notification object. You can also clear it manually with cancel(int), passing it the notification ID, or clear all your Notifications with cancelAll().
But Donal is right, you can only clear notifications that you created.
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How can I pair socks from a pile efficiently?
...n't think you need a lookup table. A single linear pass over the socks can convert the socks to number vectors, making the mapping of "sock segment" to bucket trivial. The socks can be tied to the vectors with string so that you don't need another linear pass at the end.
– Poin...
Get the (last part of) current directory name in C#
...ste Path.GetFileName("/Users/smcho/filegen_from_directory/AIRPassthrough") into LINQPad if you don't believe me.
– SLaks
May 16 '11 at 13:46
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How do I pass variables and data from PHP to JavaScript?
...tured data will have to be valid HTML, otherwise you'll have to escape and convert strings yourself.
Tightly couples PHP to your data logic - Because PHP is used in presentation, you can't separate the two cleanly.
Implementation Example
With this, the idea is to create some sort of element which...
How to check if current thread is not main thread
... solutions, I think that's the best one:
boolean isUiThread = VERSION.SDK_INT >= VERSION_CODES.M
? Looper.getMainLooper().isCurrentThread()
: Thread.currentThread() == Looper.getMainLooper().getThread();
And, if you wish to run something on the UI thread, you can use this:
new Handle...
Java - removing first character of a string
...k appears to be no longer valid. Try the following link instead: substring(int)
– Christian Hoffmann
Aug 21 '18 at 15:15
1
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...ments to not use AsyncTasks. Now that we
have a few fragments completely converted, it’s pretty painless. There
were some growing pains and issues that we had to overcome, but
overall it went smoothly. In the beginning, we ran into a few
technical issues/bugs, but Square has a fantastic Go...
Display number with leading zeros
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In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the same behavior can be achieved wit...