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Should a “static final Logger” be declared in UPPER-CASE?
...ng square bracket).
Examples:
MIN_VALUE, MAX_BUFFER_SIZE, OPTIONS_FILE_NAME
Following this convention, logger is a static final object reference as stated in point 2, but because it is followed by "." everytime you use it, it can not be considered as a constant and thus should be lower c...
Setting different color for each series in scatter plot on matplotlib
...draw.
the command pyplot.scatter return a PatchCollection Object, in the file "matplotlib/collections.py" a private variable _facecolors in Collection class and a method set_facecolors.
so whenever you have a scatter points to draw you can do this:
# rgbaArr is a N*4 array of float numbers you ...
Two divs side by side - Fluid display
...different browsers available (as in it always works on chrome, Mozilla, IE etc etc), not that it works 94% of the time regardless of browser?
– Joe
Jul 24 '16 at 11:54
6
...
How can I convert ereg expressions to preg in PHP?
...o]', $str);
preg_match('(^hello)', $str);
preg_match('{^hello}', $str);
// etc
If your delimiter is found in the regular expression, you have to escape it:
ereg('^/hello', $str);
preg_match('/^\/hello/', $str);
You can easily escape all delimiters and reserved characters in a string by using pr...
How do I rename a repository on GitHub?
... the old name repo by creating a blank one with a nice "I WARNED U" readme file.
– cod3monk3y
Sep 4 '13 at 14:38
Note ...
Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...f the grouping criteria, nor appear in aggregate functions (SUM, MIN, MAX, etc.).
Fixing it might look like this:
SELECT a, MAX(b) AS x
FROM T
GROUP BY a
Now it's clear that you want the following result:
a x
--------
1 ghi
2 pqr
...
Difference between pre-increment and post-increment in a loop?
...ce - especially if the type being incremented is defined inline in header file (as STL implementations often are) so that the compiler can see how the method is implemented and can then know what optimizations are safe to perform. Even so, it's probably still worth sticking to pre-increment because...
Detecting design mode from a Control's constructor
... can also do it by checking process name:
if (System.Diagnostics.Process.GetCurrentProcess().ProcessName == "devenv")
return true;
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How to show the text on a ImageButton?
... place the drawable at the top of the button, drawableRight at the bottom, etc.
– Cristian
Oct 25 '12 at 12:11
1
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]
... injection attacks and misplaced db backups if you store a secret key in a file and use that to encrypt on the way to the db and decrypt on the way out. But you should use bindparams to completely avoid the issue of SQL injection.
If decide to encrypt, you should use some high level crypto library ...