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JavaScript: What are .extend and .prototype used for?
...ation:
"high level function" meaning .extend isn't built-in but often provided by a library such as jQuery or Prototype.
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How to get image height and width using java?
Is there any other way besides using ImageIO.read to get image height and width?
13 Answers
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How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
...# to verify
git branch -t branchB remoteR/branchB
Of course, that's ridiculously hard to remember, so if you really want to avoid fetching all branches, it is better to alter your .git/config as described in ProGit.
Huh?
The best explanation of all this is in Chapter 9-5 of ProGit, Git Inter...
SVN:externals equivalent in Git?
...at. What was added was relative URL addressing.
– David W.
Aug 6 '13 at 19:52
@NateParsons but is it possible to omit ...
How to set a Timer in Java?
... run the task once you would do:
timer.schedule(new TimerTask() {
@Override
public void run() {
// Your database code here
}
}, 2*60*1000);
// Since Java-8
timer.schedule(() -> /* your database code here */, 2*60*1000);
To have the task repeat after the duration you would do:
timer....
What does “xmlns” in XML mean?
...efines an XML Namespace.
In your example, the Namespace Prefix is "android" and the Namespace URI is "http://schemas.android.com/apk/res/android"
In the document, you see elements like: <android:foo />
Think of the namespace prefix as a variable with a short name alias for the full namesp...
What are the differences between various threading synchronization options in C#?
...it prevents you from goofing up like forgetting the cleanup procedure. It 'idiot-proof's the Monitor construct if you will.
Using Monitor is generally preferred over mutexes, because monitors were designed specifically for the .NET Framework and therefore make better use of resources.
Using a lock...
top -c command in linux to filter processes listed based on processname
...
Using pgrep to get pid's of matching command lines:
top -c -p $(pgrep -d',' -f string_to_match_in_cmd_line)
top -p expects a comma separated list of pids so we use -d',' in pgrep. The -f flag in pgrep makes it match the command line instead o...
How does Spring Data JPA differ from Hibernate for large projects?
I am having a hard time deciding if I should stick with Hibernate for a new project, or get my feet wet with JPA and the new Spring Data implementation.
...
List comprehension rebinds names even after scope of comprehension. Is this right?
... leak the loop control variable in Python 2 but not in Python 3. Here's Guido van Rossum (creator of Python) explaining the history behind this:
We also made another change in Python
3, to improve equivalence between list
comprehensions and generator
expressions. In Python 2, the list
c...