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Search for a string in Enum and return the Enum
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@user1531040 Actually, there is an Enum.TryParse.
– DarLom
Nov 1 '17 at 21:14
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Best way to test SQL queries [closed]
...blem wherein we keep having complex SQL queries go out with errors. Essentially this results in sending mail to the incorrect customers and other 'problems' like that.
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AngularJS : Clear $watch
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$watch returns a deregistration function. Calling it would deregister the $watcher.
var listener = $scope.$watch("quartz", function () {});
// ...
listener(); // Would clear the watch
share
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What does ||= (or-equals) mean in Ruby?
...threads on the Ruby mailing-list whose only purpose is to collect links to all the other threads on the Ruby mailing-list that discuss this issue.
Here's one: The definitive list of ||= (OR Equal) threads and pages
If you really want to know what is going on, take a look at Section 11.4.2.3 "Abbrevi...
Difference between UTF-8 and UTF-16?
...c. occupy one byte which is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases.
No null bytes, which allows to use null-terminated strings, this introduces a great deal of backwards compatibility too.
UT...
How to get access to HTTP header information in Spring MVC REST controller?
I am new to web programming in general, especially in Java, so I just learned what a header and body is.
3 Answers
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Why is January month 0 in Java Calendar?
...e. I doubt whether anyone outside the original implementation team could really state reasons - but again, I'd urge readers not to worry so much about why bad decisions were taken, as to look at the whole gamut of nastiness in java.util.Calendar and find something better.
One point which is in favo...
Jenkins Git Plugin: How to build specific tag?
... out to be critical. Although it seemed the git repositories were fetching all the remote information by default when I left it blank, the Git plugin would nevertheless completely fail to find my tag. Only when I explicitly specified "get the remote tags" in the Refspec field was the Git plugin able...
Difference between Key, Primary Key, Unique Key and Index in MySQL
...would use indexes to improve the speed of data retrieval. An index is typically created on columns used in JOIN, WHERE, and ORDER BY clauses.
Imagine you have a table called users and you want to search for all the users which have the last name 'Smith'. Without an index, the database would have t...
moving changed files to another branch for check-in
... you have not made the commit yet, just run git stash. This will save away all of your changes.
Switch to the branch you want the changes on and run git stash pop.
There are lots of uses for git stash. This is certainly one of the more useful reasons.
An example:
# work on some code
git stash
gi...