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Preferred Java way to ping an HTTP URL for availability
...ot if the content is available. It can as good happen that a webserver has started without problems, but the webapp failed to deploy during server's start. This will however usually not cause the entire server to go down. You can determine that by checking if the HTTP response code is 200.
HttpURLC...
iOS: how to perform a HTTP POST request?
...quest in a separate thread to avoid blocking the UI.
Asynchronously: (void)start
Don't forget to set your NSURLConnection's delegate to handle the connection as follows:
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
[self.data setLength:0];
}...
How can I make a horizontal ListView in Android? [duplicate]
...ny things in Android, the API doesn't even provide a reasonably extensible starting point. I'll be damned if I'm going to roll my own ListView, when all I want is to take the thing and turn it on its side. \rant
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Convert Datetime column from UTC to local time in select statement
...e also see the following SO question:
How to create Daylight Savings time Start and End function in SQL Server
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Image comparison - fast algorithm
... histogram for the green channel.
For the texture direction histogram, we started by performing edge detection on the image. Each edge point has a normal vector pointing in the direction perpendicular to the edge. We quantized the normal vector's angle into one of 6 buckets between 0 and PI (sin...
Python loop that also accesses previous and next values
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The question statement explicitly says OP wants to start iterating at the 1'st (not 0'th) element, and end iterating at the last-but-one element. So index should run from 1 ... (l-1), not 0 ... l as you have here, and no need for the special-cased if-clauses. Btw, there is a ...
Emacs: print key binding for a command or list all key bindings
...arate question, but is it possible to show all keybindings/functions which start with a particular key? For example, what bindings start with <f2>? Pressing <f2> after "C-h m" does not work as Emacs is waiting for a second key.
– SabreWolfy
Apr 26 '...
How does data binding work in AngularJS?
...ith the data binding.
As Misko stated, around 2000 bindings are where you start to see problems, but you shouldn't have more than 2000 pieces of information on a page anyway. This may be true, but not every data-binding is visible to the user. Once you start building any sort of widget or data grid...
How does the bitwise complement operator (~ tilde) work?
...number, taking its complement (inverting all the bits) and adding one. Two starts as 0000 0010, and by inverting the bits we get 1111 1101. Adding one gets us the result above. The first bit is the sign bit, implying a negative.
So let's take a look at how we get ~2 = -3:
Here's two again:
0000 0010...
Deprecated ManagedQuery() issue
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ops... no doesn't works in any case... if the uri starts with "file://" doesn't returns the right path
– AndreaF
Oct 3 '12 at 19:54
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