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How do I set a variable to the output of a command in Bash?
...d] "%11d %7d %-20s %s\n" $uid $gid $user $home
done {list}</etc/passwd
Then
echo -n "${users[@]}"
1000 1000 user /home/user
...
65534 65534 nobody /nonexistent
and
echo ${!users[@]}
1000 ... 65534
echo -n "${users[1000]}"
1000 1000 user /home/user...
method of iterating over sqlalchemy model's defined columns?
... Thanks, this let me create a todict method on Base which I then use to 'dump' an instance out to a dict I can then pass through for pylon's jsonify decorator response. I tried to put a more details note with code example in my original question but it's causing stackoverflow to err...
How to write :hover condition for a:before and a:after?
...efore. But if you're developing for legacy browsers such as IE8 and older, then you can get away with using single colons just fine.
This specific order of pseudo-classes and pseudo-elements is stated in the spec:
One pseudo-element may be appended to the last sequence of simple selectors in a sele...
How do you deal with configuration files in source control?
...st is to have a default config file which is checked in to source control. Then, each developer has their own override config file which is excluded from source control. The app first loads the default, and then if the override file is present, loads that and uses any settings from the override in p...
View differences of branches with meld?
...thers. If one of the things you are comparing against is the working tree then that is read-write also so you don't lose your changes.
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What's wrong with this 1988 C code?
... was going on. He would have changed the macro for IN, with no errors and then the macro for OUT with the two errors, the second of which would be complaining about the semicolon he had just added.
– jmoreno
Dec 27 '11 at 22:07
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How to study design patterns? [closed]
...recognize a problem in the design phase that fits well with a pattern; and then examine the formal pattern, and examine the problem, and determine what the delta is between them, and what that says about both the pattern and the problem.
It's really the same as coding; K&R may be the "bible" fo...
How to do case insensitive string comparison?
...ve search
When both strings being compared are variables (not constants), then it's a little more complicated 'cause you need to generate a RegExp from the string but passing the string to RegExp constructor can result in incorrect matches or failed matches if the string has special regex character...
About catching ANY exception
...'s good to track down as many as you can and handle them appropriately and then have a backup catch all for the ones you miss.
– Blaze
Oct 19 '15 at 8:04
28
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What's the fastest way to convert String to Number in JavaScript?
...me, you don't get 0's, you get negative numbers past the signed max value. Then it appears to simply drop the extra bits when you exceed unsigned int max value. e.g. "4999999999" => 705032703
– Gone Coding
Nov 27 '17 at 9:14
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