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Read entire file in Scala?
...simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.)
18 ...
How to set RelativeLayout layout params in code not in xml?
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There are a couple problems here. First of all I don't see where you are actually instantiating button1 or button2. Secondly, dynamically declared Views (ImageViews, Buttons, etc.) get instantiated with an id of -1. An id of -1 will not work for a rule.
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How to read a single character from the user?
... except ImportError:
self.impl = _GetchUnix()
def __call__(self): return self.impl()
class _GetchUnix:
def __init__(self):
import tty, sys
def __call__(self):
import sys, tty, termios
fd = sys.stdin.fileno()
old_settings = termios.tcge...
C/C++ check if one bit is set in, i.e. int variable
... "have" to do it this way. But I usually write:
/* Return type (8/16/32/64 int size) is specified by argument size. */
template<class TYPE> inline TYPE BIT(const TYPE & x)
{ return TYPE(1) << x; }
template<class TYPE> inline bool IsBitSet(const TYPE & x, const TYPE &...
jQuery $(document).ready and UpdatePanels?
...
$(document).ready(function() {
// bind your jQuery events here initially
});
var prm = Sys.WebForms.PageRequestManager.getInstance();
prm.add_endRequest(function() {
// re-bind your jQuery events here
});
The PageRequestManager is a javascript object which is automatically available i...
How to Display blob (.pdf) in an AngularJS app
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First of all you need to set the responseType to arraybuffer. This is required if you want to create a blob of your data. See Sending_and_Receiving_Binary_Data. So your code will look like this:
$http.post('/postUrlHere',{myParams}, ...
Python time measure function
...e__, (time2-time1)*1000.0))
return ret
return wrap
Note I'm calling f.func_name to get the function name as a string(in Python 2), or f.__name__ in Python 3.
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Removing viewcontrollers from navigation stack
...e this code and enjoy:
NSMutableArray *navigationArray = [[NSMutableArray alloc] initWithArray: self.navigationController.viewControllers];
// [navigationArray removeAllObjects]; // This is just for remove all view controller from navigation stack.
[navigationArray removeObjectAtIndex: 2]; // ...
Change a column type from Date to DateTime during ROR migration
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This answer is only partially correct, you can not use change_column inside change even on rails 4 or down migration will not work. You should use up/down no matter the version of rails.
– Alan Peabody
Jul 18 '1...
How to list all installed packages and their versions in Python?
Is there a way in Python to list all installed packages and their versions?
11 Answers
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