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Sanitizing strings to make them URL and filename safe?
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+100
Some observations on your solution:
'u' at the end of your pattern means that the pattern, and not the text it's matching will be i...
Remove blank attributes from an Object in Javascript
...n(obj) {
var propNames = Object.getOwnPropertyNames(obj);
for (var i = 0; i < propNames.length; i++) {
var propName = propNames[i];
if (obj[propName] === null || obj[propName] === undefined) {
delete obj[propName];
}
}
}
A few notes on null vs undefined:
test.test1 === ...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
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190
The best way is to check the type, because undefined/null/false are a tricky thing in JS.
So:
i...
Getting SyntaxError for print with keyword argument end=' '
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eyllanesc
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answered Mar 16 '10 at 16:43
Alan PlumAlan Plum
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StringLength vs MaxLength attributes ASP.NET MVC with Entity Framework EF Code First
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205
MaxLength is used for the Entity Framework to decide how large to make a string value field whe...
How do I get the current version of my iOS project in code?
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answered Sep 30 '11 at 9:54
Ashley MillsAshley Mills
38.2k1212 gold badges111111 silver badges136136 bronze badges
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curl POST format for CURLOPT_POSTFIELDS
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10 Answers
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Javascript Regex: How to put a variable inside a regular expression?
...licious content (e.g. the variable comes from user input)
ES6 Update
In 2019, this would usually be written using a template string, and the above code has been updated. The original answer was:
var regex = new RegExp("ReGeX" + testVar + "ReGeX");
...
string.replace(regex, "replacement");
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...to say that SQL_CALC_FOUND_ROWS is almost always slower - sometimes up to 10x slower - than running two queries.
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How to write a multidimensional array to a text file?
... file.
E.g. This (a 2D array) works fine
import numpy as np
x = np.arange(20).reshape((4,5))
np.savetxt('test.txt', x)
While the same thing would fail (with a rather uninformative error: TypeError: float argument required, not numpy.ndarray) for a 3D array:
import numpy as np
x = np.arange(200).res...