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SQL WHERE.. IN clause multiple columns
... let duplicates in the right table cause duplicates in the left table. And then to make matters worse, they sometimes make the end result distinct whilst the left table may actually not need to be unique (or not unique in the columns you select). Futhermore it gives you the chance to actually select...
Easiest way to detect Internet connection on iOS?
...I launch with wifi off, and it correctly reports no network available; but then I turn wifi back on, and SCNetworkReachabilityGetFlags continues to return 0, even though actual network queries work just fine.
– Joe Strout
Apr 23 '14 at 17:03
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Performance - Date.now() vs Date.getTime()
...e it's been set to). That is, if you do this:
var now = new Date();
and then wait a while, a subsequent call to now.getTime() will tell the time at the point the variable was set.
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Developing for Android in Eclipse: R.java not regenerating
... Check console, may give you detailed error that need to be fixed, and then you can build. This helped in my case
– david72
Dec 12 '14 at 0:26
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Effective way to find any file's Encoding
... call before checking the encoding, it works too.
If the file has no BOM, then the defaultEncodingIfNoBom encoding will be used. There is also a StreamReader without this overload method (in this case, the Default (ANSI) encoding will be used as defaultEncodingIfNoBom), but I recommand to define wh...
ReactJS state vs prop
...ly, your post model would be stored in a single component at the root. You then create child components that each consume parts of the model.
You can pass callbacks down to the children that need to modify your data, and call them from the child component.
Modifying this.props or this.state direct...
Commit changes to a different branch than the currently checked out branch with subversion
...ine' you mentioned in the question) first:
svn copy sourceURL branchURL
Then, switch to that branch:
svn switch branchURL
And commit your changes:
svn commit
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How to return multiple lines JSX in another return statement in React?
...
Try to think of the tags as function calls (see docs). Then the first one becomes:
{[1,2,3].map(function (n) {
return React.DOM.p(...);
})}
And the second one:
{[1,2,3].map(function (n) {
return (
React.DOM.h3(...)
React.DOM.p(...)
)
})}
It should now be clear...
Android: Getting a file URI from a content URI?
In my app the user is to select an audio file which the app then handles. The problem is that in order for the app to do what I want it to do with the audio files, I need the URI to be in file format. When I use Android's native music player to browse for the audio file in the app, the URI is a cont...
Make header and footer files to be included in multiple html pages
...ent needs to download the main page, load the DOM, run the script and only then can download the included files, which needs an additional server request per included file. Including files using Server Side Includes serves all elements during the first server request, there's no client action needed...