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How to make “if not true condition”?
...count) option to grep and then do if ! [ $(grep -c "sysa" /etc/passwd) -eq 0 ] ; then which works but is rather old school.
BUT, you could use the newest shell features (arithmetic evaluation) like
if ! (( $(grep -c "sysa" /etc/passwd) == 0 )) ; then ...`
which also gives you the benefit of usin...
Retrieving parameters from a URL
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Pikamander2
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answered Feb 22 '11 at 7:54
systempuntooutsystempuntoout
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Correct approach to global logging in Golang
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60
Create a single log.Logger and pass it around?
That is possible. A log.Logger can be ...
How to get current language code with Swift?
...ale?'
– Puji Wahono
Jul 4 '19 at 7:40
2
As far as I notice, it will return actual language set in...
Passing an array by reference
...o an array, rather than the (invalid) array of references int & array[100];.
EDIT: Some clarification.
void foo(int * x);
void foo(int x[100]);
void foo(int x[]);
These three are different ways of declaring the same function. They're all treated as taking an int * parameter, you can pass an...
How to calculate md5 hash of a file using javascript
...enerally unable to read files from the local filesystem.
I wrote that in 2009. So what about new browsers?
With a browser that supports the FileAPI, you *can * read the contents of a file - the user has to have selected it, either with an <input> element or drag-and-drop. As of Jan 2013, her...
Is there a function in python to split a word into a list? [duplicate]
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answered Sep 22 '08 at 7:42
Greg HewgillGreg Hewgill
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npm can't find package.json
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Update 2018
This is becoming quite a popular question and my answer (although marked as correct) is no longer valid. Please refer to Deepali's answer below:
npm init
Original Outdated Answer
I think you forgot to setup the direc...
Is there any advantage of using map over unordered_map in case of trivial keys?
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answered Feb 4 '10 at 2:43
GManNickGGManNickG
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Download multiple files with a single action
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60
HTTP does not support more than one file download at once.
There are two solutions:
Open x am...