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How can you diff two pipelines in Bash?
...two pipelines without using temporary files in Bash? Say you have two command pipelines:
3 Answers
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Vim 80 column layout concerns
...olumns=80 .
At times I also set textwidth , but I want to be able to see and anticipate line overflow with the set columns alternative.
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Check if Internet Connection Exists with Javascript? [duplicate]
...e from your network, you could do this:
function hostReachable() {
// Handle IE and more capable browsers
var xhr = new ( window.ActiveXObject || XMLHttpRequest )( "Microsoft.XMLHTTP" );
// Open new request as a HEAD to the root hostname with a random param to bust the cache
xhr.open( "HE...
ASP.NET MVC Performance
...ebForms. What real performance difference is there, has this been measured and what are the performance benefits.
14 Answer...
How do I read from parameters.yml in a controller in symfony2?
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In Symfony 2.6 and older versions, to get a parameter in a controller - you should get the container first, and then - the needed parameter.
$this->container->getParameter('api_user');
This documentation chapter explains it.
While...
git mv and only change case of directory
...h out the -A will not take care of the remove side of the mv as Git understands it. Warning! Ensure that no other changes or untracked files are around when you do this or they will get committed as part of this change! git stash -u first, do this and then git stash pop after. Continuing: To get aro...
Programmatically relaunch/recreate an activity?
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UPDATE: Android SDK 11 added a recreate() method to activities.
I've done that by simply reusing the intent that started the activity. Define an intent starterIntent in your class and assign it in onCreate() using starterIntent = ...
Align items in a stack panel?
... this is what I meant with the 'etc.' I guess the answer is no, and will have to do it the tough way, read my comment for JMD above
– Shimmy Weitzhandler
Jan 7 '10 at 20:29
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How to check if element has any children in Javascript?
... (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!)
if (element.children.length > 0) { // Or just `if (element.children.length)`
// It has at least one element as a child
}
That relies on the child...
How to round to 2 decimals with Python?
...u can use the round function, which takes as its first argument the number and the second argument is the precision after the decimal point.
In your case, it would be:
answer = str(round(answer, 2))
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