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POST data in JSON format
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170
Not sure if you want jQuery.
var form;
form.onsubmit = function (e) {
// stop the regular fo...
What is the difference between String.slice and String.substring?
...nts.
If either argument is negative or is NaN, it is treated as if it were 0.
Distinctions of slice():
If start > stop, slice() will return the empty string. ("")
If start is negative: sets char from the end of string, exactly like substr() in Firefox. This behavior is observed in both Firefo...
Convert a RGB Color Value to a Hexadecimal String
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205
You can use
String hex = String.format("#%02x%02x%02x", r, g, b);
Use capital X's if you ...
Drop multiple tables in one shot in mysql
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Leniel MaccaferriLeniel Maccaferri
91.3k4040 gold badges331331 silver badges445445 bronze badges
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Boolean operators && and ||
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350
The shorter ones are vectorized, meaning they can return a vector, like this:
((-2:2) >= 0) ...
Lambda function in list comprehensions
... calls it ten times.
The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need:
[(lambda x: x*x)(x) for x in range(10)]
Or better yet:
[x*x for x in range(10)]
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Python nested functions variable scoping [duplicate]
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10 Answers
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Active
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Effective way to find any file's Encoding
...oes not have a BOM, this cannot determine the file's encoding.
*UPDATED 4/08/2020 to include UTF-32LE detection and return correct encoding for UTF-32BE
/// <summary>
/// Determines a text file's encoding by analyzing its byte order mark (BOM).
/// Defaults to ASCII when detection of the tex...
Can git operate in “silent mode”?
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20
Redirecting output to /dev/null seems like a natural way of doing it to me. Although I have in t...
Using custom std::set comparator
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answered Apr 12 '10 at 9:10
YacobyYacoby
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