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Javascript: Extend a Function
...r funcs = initFunctions;
initFunctions = undefined;
for (index = 0; index < funcs.length; ++index) {
try { funcs[index](); } catch (e) { }
}
}
publicSymbols.addInitFunction = addInitFunction;
function addInitFunction(f) {
if (initFunction...
How to restore the permissions of files and directories within git if they have been modified?
...
core.fileMode
If false, the executable bit differences between the index and the working copy are ignored; useful on broken filesystems like FAT. See git-update-index(1).
The default is true, except git-clone(1) or git-init(1) will probe and set core.fileMode false if appropriate when t...
How do I get indices of N maximum values in a NumPy array?
NumPy proposes a way to get the index of the maximum value of an array via np.argmax .
16 Answers
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Queries vs. Filters
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An example (try it yourself)
Say index myindex contains three documents:
curl -XPOST localhost:9200/myindex/mytype -d '{ "msg": "Hello world!" }'
curl -XPOST localhost:9200/myindex/mytype -d '{ "msg": "Hello world! I am Sam." }'
curl -XPOST localhost:9200...
Deleting array elements in JavaScript - delete vs splice
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delete will delete the object property, but will not reindex the array or update its length. This makes it appears as if it is undefined:
> myArray = ['a', 'b', 'c', 'd']
["a", "b", "c", "d"]
> delete myArray[0]
true
> myArray[0]
undefined
Note that it is not in...
Change values while iterating
...lue (if 2nd variable is present)
array or slice a [n]E, *[n]E, or []E index i int a[i] E
So, range uses a[i] as its second value for arrays/slices, which effectively means that the
value is copied, making the original value untouchable.
This behavior is demonstrated by the f...
Single Page Application: advantages and disadvantages [closed]
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You cannot easily index pages for SEO optimization with SPA.
– Ankit_Shah55
Jul 12 '15 at 20:15
2
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Create Git branch with current changes
...the "destructive" effect of a git reset --hard command (it does resets the index and working tree. Any changes to tracked files in the working tree since <commit> are discarded), I would rather go with:
$ git reset --soft HEAD~3 # (2)
This would make sure I'm not losing any private file (n...
What's the fastest way to loop through an array in JavaScript?
...ary of choice might be more understandable and less prone to errors, since index variable scope is closed and you don't need to use brackets, accessing the array value directly:
arr.forEach(function(value, index) {
// Do stuff with value or index
});
If you really need to scratch a few milliseco...
Is the SQL WHERE clause short-circuit evaluated?
...hrough its optimization algorithm that takes into account a lot of things (indexes, statistics, table size, resources, etc) to come up with an effective execution plan. After this evaluation, you can't say for sure that your short circuit logic is guaranteed.
I ran into the same question myself so...