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Use dynamic variable names in JavaScript
...es into the Global object (= window in a browser).
Those can get accessed by using the "dot" or "bracket" notation:
var name = window.a;
or
var name = window['a'];
This only works for the global object in this particular instance, because the Variable Object of the Global Object is the window...
Where does Scala look for implicits?
... syntactic sugar for it, called a context bound, which is made less useful by the need to refer to the implicit. A straight conversion of that method looks like this:
def sum[T : Integral](list: List[T]): T = {
val integral = implicitly[Integral[T]]
import integral._ // get the implicits ...
What is the difference between a shim and a polyfill?
...in the sessionstorage npm package will add this feature in IE7 (and older) by using techniques like storing data in the name property of the window or by using cookies.
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What's the difference between a POST and a PUT HTTP REQUEST?
...e of the target resource be
created or replaced with the state defined by the representation
enclosed in the request message payload.
Using the right method, unrelated aside:
One benefit of REST ROA vs SOAP is that when using HTTP REST ROA, it encourages the proper usage of the HTTP verbs...
How can I wrap text to some length in Vim?
...two things:
Let vim format (i.e.change) your text to have shorter lines, by inserting linebreaks
Leave lines as they are, but display them wrapped
Which do you want?
Option 1 would be achieved by setting textwidth (for example :set textwidth=30 (from Swaarop's answer)). Then you can reformat yo...
Python, creating objects
...
For readability purposes. By putting the class variables near the top prior to the init, I can quickly see which variables are in the class scope since they might not all be set by the constructor.
– Wulfram
Nov ...
Pandas get topmost n records within each group
...
Did you try df.groupby('id').head(2)
Ouput generated:
>>> df.groupby('id').head(2)
id value
id
1 0 1 1
1 1 2
2 3 2 1
4 2 2
3 7 3 1
4 8 4 1
(Keep in mind that...
Various ways to remove local Git changes
...
It all depends on exactly what you are trying to undo/revert. Start out by reading the post in Ube's link. But to attempt an answer:
Hard reset
git reset --hard [HEAD]
completely remove all staged and unstaged changes to tracked files.
I find myself often using hard resetting, when I'm like ...
Capture iframe load complete event
... iframe programatically
It makes sure your load listener is always called by attaching it before the iframe starts loading.
<script>
var iframe = document.createElement('iframe');
iframe.onload = function() { alert('myframe is loaded'); }; // before setting 'src'
iframe.src = '...';
documen...
How to tell Eclipse Workspace?
...d only current workspace. You can change the field to something different by typing in the field or using the browse button. But the field (after clicking other) as provided in this answer will show you your current workspace. I just tested it by typing in the field and creating a new test worksp...