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Fastest way to flatten / un-flatten nested JSON objects
...ltholder;
};
flatten hasn't changed much (and I'm not sure whether you really need those isEmpty cases):
Object.flatten = function(data) {
var result = {};
function recurse (cur, prop) {
if (Object(cur) !== cur) {
result[prop] = cur;
} else if (Array.isArray(cu...
Remove all breakpoints in IntelliJ IDEA
Is there a possibility to remove all breakpoints in the module (might be using a shortcut) in IntelliJ IDEA IDE? Thanks.
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What is float in Java?
...as 3.6, its interpreted as a double. double is a 64-bit precision IEEE 754 floating point, while floatis a 32-bit precision IEEE 754 floating point. As a float is less precise than a double, the conversion cannot be performed implicitly.
If you want to create a float, you should end your number wi...
What are some common uses for Python decorators? [closed]
...PU time. You might want to use time.time() instead if you want to measure wall-clock time.
– Jabba
Feb 4 '13 at 17:45
20
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Use ffmpeg to add text subtitles [closed]
I am trying to add text subtitles to an .mp4 container using ffmpeg:
9 Answers
9
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What does the star operator mean, in a function call?
...ues = (1, 2)
s = sum(*values)
This will unpack the tuple so that it actually executes as:
s = sum(1, 2)
The double star ** does the same, only using a dictionary and thus named arguments:
values = { 'a': 1, 'b': 2 }
s = sum(**values)
You can also combine:
def sum(a, b, c, d):
return a ...
Where is the itoa function in Linux?
itoa() is a really handy function to convert a number to a string. Linux does not seem to have itoa() , is there an equivalent function or do I have to use sprintf(str, "%d", num) ?
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Add one row to pandas DataFrame
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Consider adding the index to preallocate memory (see my answer)
– FooBar
Jul 23 '14 at 14:22
34
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Didn't Java once have a Pair class? [duplicate]
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There are lots of implementation around here, but all the time something is missing , the Override of equal and hash method.
here is a more complete version of this class:
/**
* Container to ease passing around a tuple of two objects. This object provides a sensible
* im...
How to add a downloaded .box file to Vagrant?
...hing in the Vagrantfile. I am just using the Vagrantfile that got automatically created upon vagrant init. When i cat Vagrantfile, I don't see anything called a password or pem or anything
– Rakib
Sep 15 '15 at 12:31
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