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How to check if a number is a power of 2
...that
is, the result is true if and only if both its operands are true.
Now let's take a look at how this all plays out:
The function returns boolean (true / false) and accepts one incoming parameter of type unsigned long (x, in this case). Let us for the sake of simplicity assume that someone ...
How to turn on front flash light programmatically in Android?
...rc code. here http://code.google.com/p/quick-settings/ (Note: This link is now broken)
For Flashlight directly look http://code.google.com/p/quick-settings/source/browse/trunk/quick-settings/#quick-settings/src/com/bwx/bequick/flashlight (Note: This link is now broken)
Update6
You could also try ...
What is the most robust way to force a UIView to redraw?
...hy. the subclass in question gets passed the data and it's drawRect method now has everything it needs to render.
5 Answers...
Java Security: Illegal key size or default parameters?
...ed a question about this earlier, but it didn't get answered right and led nowhere.
19 Answers
...
'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
...@3x support added?
Yes, you need to add a 120x120 high resolution icon. Now, if you want to target only iOS 7, you just need 76 x 76, 120 x 120 and 152 x 152 icon sizes. If you also want to target iOS 6, you’ll need 57 x 57, 72 x 72, 76 x 76, 114 x 114, 120 x 120, 144 x 144 and 152 x 152 icon s...
Get month name from number
...
import datetime
mydate = datetime.datetime.now()
mydate.strftime("%B")
Returns: December
Some more info on the Python doc website
[EDIT : great comment from @GiriB] You can also use %b which returns the short notation for month name.
mydate.strftime("%b")
For...
Adding a Method to an Existing Object Instance
...ting a "bound method."
foo.sample_method = sample_method.__get__(foo)
and now:
>>> foo.sample_method(1,2)
3
Method one - types.MethodType
First, import types, from which we'll get the method constructor:
import types
Now we add the method to the instance. To do this, we require the Metho...
How to add new line into txt file
...
You could do it easily using
File.AppendAllText("date.txt", DateTime.Now.ToString());
If you need newline
File.AppendAllText("date.txt",
DateTime.Now.ToString() + Environment.NewLine);
Anyway if you need your code do this:
TextWriter tw = new StreamWriter("date.txt", ...
Jenkins Host key verification failed
...(yes/no)?
Type yes and press Enter. The host key for bitbucket.org will now be added to the ~/.ssh/known_hosts file and you won't get this error in Jenkins anymore.
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StringBuilder vs String concatenation in toString() in Java
...ion, it will be because it is not worth it. In 99% of cases, the compiler knows better which optimization is worth it, so as a rule of thumb the dev should not interfere. Of course, your situation may fall into the other 1%, but that can only be checked by (careful) benchmarking.
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