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How to use a variable inside a regular expression?
...wise we must write "\\\\boundary" in the regex (four backslashes). Additionally, without '\r', \b' would not converted to a word boundary anymore but to a backspace!
re.escape:
Basically puts a backspace in front of any special character. Hence, if you expect a special character in TEXTO, you need...
Taskkill /f doesn't kill a process
When I start up an Experimental instance of VS from VS for debugging and stop debugging (sometimes directly from the parent VS), a zombile devenv.exe process remains running which I am unable to kill. It holds on to many of my dlls.
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bash/fish command to print absolute path to a file
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Use realpath
$ realpath example.txt
/home/username/example.txt
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Android: Getting a file URI from a content URI?
...,"URI = "+ _uri);
if (_uri != null && "content".equals(_uri.getScheme())) {
Cursor cursor = this.getContentResolver().query(_uri, new String[] { android.provider.MediaStore.Images.ImageColumns.DATA }, null, null, null);
cursor.moveToFirst();
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Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...and updating the model values (EditableValueHolder components only) and finally invoke the queued ActionEvent (ActionSource components only). JSF will skip processing of all other components which are not covered by process attribute. Also, components whose rendered attribute evaluates to false duri...
How to convert a String to its equivalent LINQ Expression Tree?
...xpression.NotEqual(left, right);
break;
case "&&":
InnerLambda = Expression.And(left, right);
break;
case "||":
InnerLambda = Expression.Or(left, right);
break;
}
return In...
What is the canonical way to check for errors using the CUDA runtime API?
...acro, which will process the return status of the API call it wraps, for example:
gpuErrchk( cudaMalloc(&a_d, size*sizeof(int)) );
If there is an error in a call, a textual message describing the error and the file and line in your code where the error occurred will be emitted to stderr and t...
String formatting in Python 3
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Here are the docs about the "new" format syntax. An example would be:
"({:d} goals, ${:d})".format(self.goals, self.penalties)
If both goals and penalties are integers (i.e. their default format is ok), it could be shortened to:
"({} goals, ${})".format(s...
How does collections.defaultdict work?
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Usually, a Python dictionary throws a KeyError if you try to get an item with a key that is not currently in the dictionary. The defaultdict in contrast will simply create any items that you try to access (provided of course th...
Determine whether an array contains a value [duplicate]
...lf
var findNaN = needle !== needle;
var indexOf;
if(!findNaN && typeof Array.prototype.indexOf === 'function') {
indexOf = Array.prototype.indexOf;
} else {
indexOf = function(needle) {
var i = -1, index = -1;
for(i = 0; i < this.l...