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Why is String immutable in Java?
...le for several reasons, here is a summary:
Security: parameters are typically represented as String in network connections, database connection urls, usernames/passwords etc. If it were mutable, these parameters could be easily changed.
Synchronization and concurrency: making String immutable aut...
.gitignore for PhoneGap/Cordova 3.0 projects - what should I commit?
...ignore and modify it for your needs.
On a rule of thumb you've to exclude all generated files like the bin/ and gen/ directories.
If you're developing an Android version of your app you should exclude build files too like *.apk.
All generated files in the android subdirectory should be excluded to...
java.lang.NoClassDefFoundError: org/hamcrest/SelfDescribing
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Add hamcrest-all-X.X.jar to your classpath.
Latest version as of Feb 2015 is 1.3:
http://code.google.com/p/hamcrest/downloads/detail?name=hamcrest-all-1.3.jar&can=2&q=
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Remove a git commit which has not been pushed
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Actually, when you use git reset, you should refer to the commit that you are resetting to; so you would want the db0c078 commit, probably.
An easier version would be git reset --hard HEAD^, to reset to the previous commit befor...
“Eliminate render-blocking CSS in above-the-fold content”
...n of jQuery's .ready() to defer scripts until the page had loaded fully, all I had to do was inline that particular function and move the full scripts to the end of the page. That worked great.
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When should we use intern method of String on String literals
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Java automatically interns String literals. This means that in many cases, the == operator appears to work for Strings in the same way that it does for ints or other primitive values.
Since interning is automatic for String literals, the ...
How to remove all click event handlers using jQuery?
I'm having a problem. Basically, when a user clicks an 'Edit' link on a page, the following Jquery code runs:
5 Answers
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How do I update each dependency in package.json to the latest version?
I copied package.json from another project and now want to bump all of the dependencies to their latest versions since this is a fresh project and I don't mind fixing something if it breaks.
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List columns with indexes in PostgreSQL
...est%' line to the table(s) you want, or erase that line completely to find all indexes in your db.
– Erik J
Sep 26 '13 at 21:08
1
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Get the name of an object's type
...nstance (2).constructor.name is "Number".
But here are various hacks that all fall down in one way or another:
Here is a hack that will do what you need - be aware that it modifies the Object's prototype, something people frown upon (usually for good reason)
Object.prototype.getName = function() { ...