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Fastest way to check if a string is JSON in PHP?
...ray. Valid JSON values may be objects, arrays, numbers, strings, booleans, and null.
– zzzzBov
May 8 '15 at 1:30
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How to check if click event is already bound - JQuery
...y._data(elem, 'events'), an internal data structure, which is undocumented and therefore not 100% guaranteed to remain stable. This shouldn't, however, be a problem, and the relevant line of the plugin code above can be changed to the following:
var data = jQuery._data(this[0], 'events')[type];
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Get TransactionScope to work with async / await
... MSDN, it enables transaction flow across thread continuations.
My understanding is that it is meant to allow you to write code like this:
// transaction scope
using (var scope = new TransactionScope(... ,
TransactionScopeAsyncFlowOption.Enabled))
{
// connection
using (var connection = new ...
GridView VS GridLayout in Android Apps
I have to use a Grid to implement Photo Browser in Android.
So, I would like to know the difference between GridView and GridLayout .
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Queries vs. Filters
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The difference is simple: filters are cached and don't influence the score, therefore faster than queries. Have a look here too. Let's say a query is usually something that the users type and pretty much unpredictable, while filters help users narrowing down the search ...
Why is parenthesis in print voluntary in Python 2.7?
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In Python 2.x print is actually a special statement and not a function*.
This is also why it can't be used like: lambda x: print x
Note that (expr) does not create a Tuple (it results in expr), but , does. This likely results in the confusion between print (x) and print (x, ...
create two method for same url pattern with different arguments
...}
@RequestMapping(value = "/searchUser", params = "userName")
public ModelAndView searchUserByName(@RequestParam String userName) {
// ...
}
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Locate the nginx.conf file my nginx is actually using
...k one of them was installed with the brew package manager (its an osx box) and the other seems to have been compiled and installed with the nginx packaged Makefile. I searched for all of the nginx.conf files on the server, but none of these files define the parameters that nginx is actually using wh...
xpath find if node exists
...probably ask that as a new question at SO, but as a quick guide: html/body and not(html/body/node()) (i.e., just test if it exists and it does not contain any child nodes, or text nodes).
– Abel
Sep 6 '15 at 11:30
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Showing Travis build status in GitHub repo
... mean, go to your github repo > Settings > Service Hooks. Use Ctrl+F and search for Travis.
EDIT2:
Go to https://travis-ci.org/profile/{fill in your own usernam}/profile
Then copy the token and paste it inside the Travis Service Hook page in your Github Repo Settings section.
Type in your ...