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Why are ToLookup and GroupBy different?
... I ever bother with GroupBy? Why should it exist?
What happens when you call ToLookup on an object representing a remote database table with a billion rows in it?
The billion rows are sent over the wire, and you build the lookup table locally.
What happens when you call GroupBy on such an object...
What does “hashable” mean in Python?
...y and a set member, because these data structures use the hash value internally.
All of Python’s immutable built-in objects are hashable, while no mutable containers (such as lists or dictionaries) are. Objects which are instances of user-defined classes are hashable by default; they all comp...
Difference between a “coroutine” and a “thread”?
...the baton among each other more fluidly).
Threads are (at least conceptually) a form of concurrent processing: multiple threads may be executing at any given time. (Traditionally, on single-CPU, single-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so...
Last segment of URL in jquery
...tIndexOf('/') + 1));
That way, you'll avoid creating an array containing all your URL segments, as split() does.
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What is an uninterruptible process?
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An uninterruptible process is a process which happens to be in a system call (kernel function) that cannot be interrupted by a signal.
To understand what that means, you need to understand the concept of an interruptible system call. The classic example is read(). This is a system call that can t...
JavaScript REST client Library [closed]
Is there a JavaScript library which allow me to perform all the REST operation like ( GET , POST , PUT and DELETE over HTTP or HTTPS )?
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Open soft keyboard programmatically
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I have used the following lines to display the soft keyboard manually inside the onclick event, and the keyboard is visible.
InputMethodManager inputMethodManager =
(InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.toggleSoftInputFromWindow(
li...
Using gradle to find dependency tree
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./gradlew app:dependencies
where app is your project module.
Additionally, if you want to check if something is compile vs. testCompile vs androidTestCompile dependency as well as what is pulling it in:
./gradlew :app:dependencyInsight --configuration compile --dependency <name>
./gradl...
How can I remove the search bar and footer added by the jQuery DataTables plugin?
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You can also not draw the header or footer at all by setting sDom: http://datatables.net/usage/options#sDom
'sDom': 't'
will display JUST the table, no headers or footers or anything.
It's discussed some here: http://www.datatables.net/forums/discussion/2722/how-t...
How to call multiple JavaScript functions in onclick event?
Is there any way to use the onclick html attribute to call more than one JavaScript function?
11 Answers
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