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How to base64 encode image in linux bash / shell
I'm trying to base64 encode an image in a shell script and put it into variable:
6 Answers
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Find index of a value in an array
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edited Oct 8 '13 at 17:56
answered Nov 20 '09 at 14:12
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How to check if any flags of a flag combination are set?
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edited Aug 27 '09 at 10:57
Svish
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Rollback to last git commit
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Caveat Emptor - Destructive commands ahead.
Mitigation - git reflog can save you if you need it.
1) UNDO local file changes and KEEP your last commit
git reset --hard
2) UNDO local file changes and REMOVE your last commit
git reset --hard HEAD^
3) KEEP local fi...
Make elasticsearch only return certain fields?
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Yep! Use a source filter. If you're searching with JSON it'll look something like this:
{
"_source": ["user", "message", ...],
"query": ...,
"size": ...
}
In ES 2.4 and earlier, you could also use the fields option to the search API:
{
"fields": ["user...
Making an iframe responsive
I was reading this stackoverflow post titled "Can you make an iFrame responsive?", and one of the comments/answers led me to this jfiddle.
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How to refresh / invalidate $resource cache in AngularJS
...var $httpDefaultCache = $cacheFactory.get('$http');
Then you can control it like any another cache made with $cacheFactory, a usage instance provided below:
$httpDefaultCache.remove(key);
// Where key is the relative URL of your resource (eg: /api/user/current/51a9020d91799f1e9b8db12f)
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Private and protected constructor in Scala
I've been curious about the impact of not having an explicit primary constructor in Scala, just the contents of the class body.
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How to manually deprecate members
...r all, etc.).
You can also specify the version of the platform from which it was introduced, deprecated, obsoleted, renamed, and a message :
@available(iOS, deprecated:6.0)
func myFunc() {
// calling this function is deprecated on iOS6+
}
Or
@available(iOS, deprecated: 6.0, obsoleted: 7.0, ...
Unable to login to SQL Server + SQL Server Authentication + Error: 18456
... server if the Server encounters any credential issues for that login then it will prevent in granting the authentication back to SQL Server, the client will get the following error message:
Msg 18456, Level 14, State 1, Server <ServerName>, Line 1
Login failed for user '<Name>'
Ok no...