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Get epoch for a specific date using Javascript
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You can create a Date object, and call getTime on it:
new Date(2010, 6, 26).getTime() / 1000
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Cannot ping AWS EC2 instance
...cho Request", I got confused by this for a moment.
– Andy
Jul 10 '18 at 15:23
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Get child node index
...mine a child node's index inside of its parent node without iterating over and comparing all children nodes?
11 Answers
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How do I duplicate a whole line in Emacs?
I saw this same question for VIM and it has been something that I myself wanted to know how to do for Emacs. In ReSharper I use CTRL-D for this action. What is the least number of commands to perform this in Emacs?
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How to declare an array in Python?
...t can hold a heterogenous collection of objects (their types do not matter and can be freely mixed). This should not be confused with the array module, which offers a type closer to the C array type; the contents must be homogenous (all of the same type), but the length is still dynamic.
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How do I update my bare repo?
... doesn't show these updates in the bare repo. (Neither does git log --all, and neither does a working repo that created by cloning the bare repo - either via git log --all or by simply looking at new files that should show up there). It's a pretty quick test to see for yourself. Mostly I'm just curi...
MySQL Conditional Insert
... WHERE user = 123
AND item = 456)
In this, dual is a table with one row only (found originally in Oracle, now in mysql too). The logic is that the SELECT statement generates a single row of data with the required values, but only when the v...
C read file line by line
... those who said that this getline is specific to GNU libc, "Both getline() and getdelim() were originally GNU extensions. They were standardized in POSIX.1-2008."
– willkill07
Apr 21 '15 at 21:01
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Parsing IPv6 extension headers containing unknown extensions
I'm writing a very simple net filter, and getting to where I want to parse IPv6 headers to match things like ICMPv6 types, TCP/UDP port numbers, etc.
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How to simulate a click with JavaScript?
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@Anderson Green: I have added an example to this jsfiddle: jsfiddle.net/KooiInc/W4BHD
– KooiInc
Mar 19 '13 at 6:21
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