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How to identify if the DLL is Debug or Release build (in .NET) [duplicate]
...s to check the compiled assemblies itself. There is this very useful tool called '.NET Assembly Information' found here by Rotem Bloom. After you install this, it associates itself with .dll files to open with itself. After installing you can just double-click on the Assembly to open and it will giv...
What is the purpose of Serialization in Java?
...rbs, biomedical abbreviations, words semantically connected to each other, etc. The contents of these files are simple: words!
Now for each project, I needed to read the words from each of these files and put them into different arrays; as the contents of the file never changed, it became a common...
android studio 0.4.2: Gradle project sync failed error
...e folder in the user home directory
Restart Android Studio let it download all the Gradle stuff it needs
Gradle build success !
Rebuild project.... success !
Out of curiousity I compared the structure of the old .gradle and the new one... they were pretty different !
So I'll see how 0.4.2 goes :...
Mercurial (hg) commit only certain files
...of hg having auto-add whenever I try to commit a change it wants to commit all files. But I don't want that because certain files are not "ready" yet.
...
How to avoid null checking in Java?
... if your method just passes the value on, and the next method passes it on etc. it could get problematic. In that case you may want to check the argument as above.
If null is allowed
This really depends. If find that I often do something like this:
if (object == null) {
// something
} else {
...
How to override the properties of a CSS class using another CSS class
...at the element it is being applied to is or does (e.g. button, name-label, etc.). Others feel that CSS becomes unmanageable if you use this approach and you should use "utility-first" or "functional" css where classes correspond to property values (e.g. margin-top-4, width-10, etc.). Historically th...
How to hash some string with sha256 in Java?
...
SHA-256 isn't an "encoding" - it's a one-way hash.
You'd basically convert the string into bytes (e.g. using text.getBytes(StandardCharsets.UTF_8)) and then hash the bytes. Note that the result of the hash would also be arbitrary binary data, and if you want to represent that in a strin...
What exactly are “spin-locks”?
...
When you use regular locks (mutexes, critical sections etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for ...
How should I choose an authentication library for CodeIgniter? [closed]
...-ons to support 3rd party login (OpenID, Facebook Connect, Google Account, etc.)
Login using either username or email
Separation of user and profile data
Emails for activation and lost passwords
Automatic cookie login feature
Configurable phpass for hashing (properly salted of course!)
Hashing of pa...
How to test which port MySQL is running on and whether it can be connected to?
...
grep port /etc/mysql/my.cnf ( at least in debian/ubuntu works )
or
netstat -tlpn | grep mysql
verify
bind-address 127.0.0.1
in /etc/mysql/my.cnf to see possible restrictions
...