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How to store standard error in a variable
...ut for display or to be piped into another command.
It sets up a couple of extra file descriptors to manage the redirections needed in order to do this.
#!/bin/bash
exec 3>&1 4>&2 #set up extra file descriptors
error=$( { ./useless.sh | sed 's/Output/Useless/' 2>&4 1>&3...
Rename all files in directory from $filename_h to $filename_half?
...
Nice use of bash's built-in string replacement rather than sed
– dandrews
Aug 5 '12 at 18:48
3
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Run cURL commands from Windows console
...m using) I need the Git Bash installed. I don't like installing wizards or extra bloat. I'm also not a big fan of trying to use PowerShell to do everything in windows
– BRogers
Mar 6 '17 at 20:10
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Why is ArrayDeque better than LinkedList
...ian.
The test setup considers:
Each test object is a 500 character String. Each String is a different object in memory.
The size of the test array will be varied during the tests.
For each array size/Queue-implementation combination, 100 tests are run and average time-per-test is c...
Java code for getting current time [duplicate]
...va.util.Calendar;
public class currentTime {
public static void main(String[] args) {
Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
System.out.println( sdf.format(cal.getTime()) );
}
}
You can format SimpleDateFor...
Why not use tables for layout in HTML? [closed]
... and think about what's wrong here...
class car {
int wheels = 4;
string engine;
}
car mybike = new car();
mybike.wheels = 2;
mybike.engine = null;
The problem, of course, is that a bike is not a car. The car class is an inappropriate class for the bike instance. The code is error-free, ...
How to use underscore.js as a template engine?
...%></h1>");
then tpl({foo: "blahblah"}) would be rendered to the string <h1>Some text: blahblah</h1>
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Hashing a dictionary?
...)))
This is much less computationally intensive than generating the JSON string or representation of the dictionary.
UPDATE: Please see the comments below, why this approach might not produce a stable result.
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Reading value from console, interactively
...data", function(d) {
// note: d is an object, and when converted to a string it will
// end with a linefeed. so we (rather crudely) account for that
// with toString() and then trim()
console.log("you entered: [" +
d.toString().trim() + "]");
});
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Django: Set foreign key using integer?
...at the purpose of the above optimisation, but I would prefer an accidental extra query to being incorrect. So be careful, only use this when you are finished working on your instance (eg employee).
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