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How to extend an existing JavaScript array with another array, without creating a new array
...il with a stack overflow error if array b is too long (trouble starts at about 100,000 elements, depending on the browser).
If you cannot guarantee that b is short enough, you should use a standard loop-based technique described in the other answer.
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How do I write a bash script to restart a process if it dies?
...ost every UNIX system; its arguments vary greatly if you want non-standard output. And standard output is ONLY for human consumption, not for scripted parsing!
Parsing ps leads to a LOT of false positives. Take the ps aux | grep PID example, and now imagine someone starting a process with a number...
jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
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@JustinEthier as pointed out by this answer stackoverflow.com/a/25491642/759452, the JSON spec tools.ietf.org/html/rfc7159 says Any character may be escaped, this may explain why some implementation would allow single quotes to be escaped.
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Where is the documentation for the values() method of Enum?
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Because using just the standard mechanism (without enum), you couldn't have this static method. The java specification had to be extended to allow those enums, that's why it must be added by the compiler.
– Denys Séguret
Dec 1 '12 a...
Changing the resolution of a VNC session in linux [closed]
...s resolution of 1440x900.
If I set the vncserver to run at 1440x900 I miss out on a lot of space on my monitor, whereas if I set it to run at 1600x1200 it doesn't fit on the laptop's screen, and I have to scroll it all the time.
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Are loops really faster in reverse?
...u check if i <= array.length.
In most cases you shouldn't even worry about this kind of optimization.
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What's the fuss about Haskell? [closed]
I know a few programmers who keep talking about Haskell when they are among themselves, and here on SO everyone seems to love that language. Being good at Haskell seems somewhat like the hallmark of a genius programmer.
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What's the difference between JPA and Hibernate? [closed]
...e your classes as much as you would like with JPA annotations, however without an implementation nothing will happen. Think of JPA as the guidelines that must be followed or an interface, while Hibernate's JPA implementation is code that meets the API as defined by the JPA specification and provide...
How to parse XML in Bash?
...d -d \< E C ;}
Let's call that "read_dom" instead of "rdom", space it out a bit and use longer variables:
read_dom () {
local IFS=\>
read -d \< ENTITY CONTENT
}
Okay so it defines a function called read_dom. The first line makes IFS (the input field separator) local to this fun...
How do I push amended commit to the remote Git repository?
...ere. But here is a tip to recover from the situation after you have pushed out the amended commit with --force (or +master).
Use git reflog to find the old commit that you amended (call it old, and we'll call the new commit you created by amending new).
Create a merge between old and new, recordin...