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What are the differences between various threading synchronization options in C#?
...ent owner relinquishes the lock by exiting the block of code. Also it is recommended that you lock on a private member object of your class.
Monitors
lock(obj) is implemented internally using a Monitor. You should prefer lock(obj) because it prevents you from goofing up like forgetting the clea...
What is PostgreSQL explain telling me exactly?
...'s explain output is pretty straightforward. PostgreSQL's is a little more complicated. I haven't been able to find a good resource that explains it either.
...
Update just one gem with bundler
... version in Gemfile or possibly Gemfile.lock prior to running these bundle commands
– Harry Wood
Sep 10 '19 at 22:16
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Is there a performance difference between a for loop and a for-each loop?
...and the opportunity for error by
hiding the iterator or index variable
completely. The resulting idiom
applies equally to collections and
arrays:
// The preferred idiom for iterating over collections and arrays
for (Element e : elements) {
doSomething(e);
}
When you see the colon ...
Timeout function if it takes too long to finish [duplicate]
...
Nice. Also, it is recommended to decorate the function wrapper with @functools.wraps(func)
– shx2
Oct 31 '13 at 19:58
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Linux/Unix command to determine if process is running?
I need a platform independent (Linux/Unix|OSX) shell/bash command that will determine if a specific process is running. e.g. mysqld , httpd ...
What is the simplest way/command to do this?
...
What is android:weightSum in android, and how does it work?
...to 1 and the weightSum will be calculated to be equal to 3 as shown in the comment.
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
<!-- android:weightSum="3" -->
android:orientation="horizontal"
android:layout_gravity="center">...