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How to set environment variable for everyone under my linux system?
...orn shell also read /etc/profile - it is probably the mostly widely used location for system environment setting. Some versions of the C shell look in /etc/csh.cshrc and /etc/csh.login as well as per-user locations; others do not use any system environment setting file.
– Jonat...
How to pass payload via JSON file for curl?
...
curl sends POST requests with the default content type of application/x-www-form-urlencoded. If you want to send a JSON request, you will have to specify the correct content type header:
$ curl -vX POST http://server/api/v1/places.json -d @testplace.json \
--header "Content-Type: applic...
How do I get a substring of a string in Python?
...
Substr() normally (i.e. PHP and Perl) works this way:
s = Substr(s, beginning, LENGTH)
So the parameters are beginning and LENGTH.
But Python's behaviour is different; it expects beginning and one after END (!). This is difficult to spot by beg...
How to delete and replace last line in the terminal using bash?
... beginning of the line, then the kill clears everything from that cursor location to the end, leaving the whole line blank, which is the intent. You put those at the beginning of each new line, similarly to Ken's answer, so that it is written on an empty line.
– Derek Veit
...
Can't connect Nexus 4 to adb: unauthorized
...in ~/.android/) from my computer to my device via email;
Invoke stop adbd;
cat adbkey.pub >> /data/misc/adb/adb_keys (authorize myself);
start adbd (restart adb with new keys).
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improv...
How can I write output from a unit test?
...croll bar is too small to be noticed or used.
– Meow Cat 2012
Jul 24 '19 at 4:55
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How can I remove a character from a string using Javascript?
...unt, we've got to remove 1 from the index, if you wish to use this to replicate how charAt works do not subtract 1 from the index on the 3rd line and use tmp.splice(i, 1) instead.
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Useful GCC flags for C
... answered Aug 3 '10 at 18:58
catphivecatphive
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How to check sbt version?
...0.13.1-RC5
It's set in project/build.properties:
jacek:~/oss/scalania
$ cat project/build.properties
sbt.version=0.13.1-RC5
The same task executed outside a SBT project shows the current version of the executable itself.
jacek:~
$ sbt sbtVersion
[info] Loading global plugins from /Users/jacek/...
Get querystring from URL using jQuery [duplicate]
...function getUrlVars()
{
var vars = [], hash;
var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
for(var i = 0; i < hashes.length; i++)
{
hash = hashes[i].split('=');
vars.push(hash[0]);
vars[hash[0]] = hash[1];
...