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Does Java have a HashMap with reverse lookup?
...ch class in the Java API. The Apache Commons class you want is going to be one of the implementations of BidiMap.
As a mathematician, I would call this kind of structure a bijection.
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C# switch statement limitations - why?
...u have. The if-else
statement evaluates each condition
until it finds one that is true.
In fact, the C# switch statement is not always a constant time branch.
In some cases the compiler will use a CIL switch statement which is indeed a constant time branch using a jump table. However, in ...
PHP DateTime::modify adding and subtracting months
...appens internally:
+1 month increases the month number (originally 1) by one. This makes the date 2010-02-31.
The second month (February) only has 28 days in 2010, so PHP auto-corrects this by just continuing to count days from February 1st. You then end up at March 3rd.
How to get what you want...
Coding Practices which enable the compiler/optimizer to make a faster program
...of the arguments. This can help you avoid the dreaded load-hit-store (mentioned by Francis Boivin in this thread).
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An established connection was aborted by the software in your host machine
...t be two instances of Eclipse are pointing to same Android SDK...just keep one instance of Eclipse and try again...that's why you are getting Exception as "established connection was aborted by the software in your host machine"...go in details of android adb(Android Debug Bridge) you will get it......
JUnit test with dynamic number of tests
... testEveryFileInDirectory method in the TestCase this shows up as only one test that may fail or succeed. But I am interested in the results on each individual file. How can I write a TestCase / TestSuite such that each file shows up as a separate test e.g. in the graphical TestRunner of Ecl...
How do I contribute to other's code in GitHub? [closed]
...
Ideally you:
Fork the project
Make one or more well commented and clean commits to the repository. You can make a new branch here if you are modifying more than one part or feature.
Perform a pull request in github's web interface.
if it is a new Feature req...
Is it possible to modify variable in python that is in outer, but not global, scope?
...ave two python tips that are simple, but very helpful: yours is the second one :) Thanks @kindall!
– swdev
Sep 22 '14 at 23:35
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Finding what branch a Git commit came from
...log show is actually just an alias for git log -g --abbrev-commit --pretty=oneline, so if you want to fiddle with the output format to make different things available to grep for, that's your starting point!
If you're not working in the repository where the commit was made, the best you can do in t...
Truststore and Keystore Definitions
... Although this should be true in practice, they can (and often are) one in the same. You can actually import a private key and a public certificate into the [java home]/jre/lib/security/cacerts default "truststore". The keytool utility does not make a distinction in the two terms, only in sto...