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How to remove non-alphanumeric characters?
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[\W_]+
$string = preg_replace("/[\W_]+/u", '', $string);
It select all not A-Z, a-z, 0-9 and delete it.
See example here: https://regexr.com/3h1rj
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UIButton won't go to Aspect Fit in iPhone
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This method worked for me very well.:
In Xib select the button and set user defined runtime attributes:
Key path: self.imageView.contentMode
Type: Number
Value: 1
We use number because you cant use enum there. But the UIViewContentModeScaleAspectFit is equal to...
How to display a dynamically allocated array in the Visual Studio debugger?
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For beginners: If you select "a" variable, right click and add to watch list (inspect), if you open de debugger view in the list of watched values (I can't find the name of the window right now), you can double click "a" and rename it "a,X" where ...
Highlight text similar to grep, but don't filter out text [duplicate]
... all lines, which simply isn't possible with all greps. In particular, the selected answer and your answer don't work on OSX Mountain Lion.
– willkil
Jan 29 '13 at 17:38
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Controlling fps with requestAnimationFrame?
...-1;
}
};
}
body {font:16px sans-serif}
<label>Framerate: <select id=sFPS>
<option>12</option>
<option>15</option>
<option>24</option>
<option>25</option>
<option>29.97</option>
<option>30</option>...
Writing to output window of Visual Studio
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I tried this on a set of unit tests. I debugged the selected test, but there was nothing of what I tried to print out in the debug window.
– Frank H.
Apr 22 '15 at 16:13
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Type or namespace name does not exist [closed]
..."Target Framework" by right clicking the project in solution explorer, and selecting properties. Target Framework should be visible in default Application tab.
– Cookie
Jan 2 '12 at 6:26
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Print current call stack from a method in Python code
... @RichieHindle's excellent answer which implements a decorator that can be selectively applied to functions as desired. Works with Python 2.7.14 and 3.6.4.
from __future__ import print_function
import functools
import traceback
import sys
INDENT = 4*' '
def stacktrace(func):
@functools.wraps(...
How to hide columns in HTML table?
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You can use the nth-child CSS selector to hide a whole column:
#myTable tr > *:nth-child(2) {
display: none;
}
This works under assumption that a cell of column N (be it a th or td) is always the Nth child element of its row.
Here's a demo.
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Why is Visual Studio 2013 very slow?
...available" check box to prevent the use of hardware graphics acceleration.
Select or clear the "Enable rich client visual experience" check box to make sure that rich visuals are always on or off, respectively. When this check box is selected, rich visuals are used independent of the computer enviro...