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How to read contacts on Android 2.0
...t you have added
<uses-permission android:name="android.permission.READ_CONTACTS"/>
to your AndroidManifest.xml file, then you can loop through your phone contacts like this:
Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,null, null, null, null);
while (...
schema builder laravel migrations unique on two columns
...nique key across multiple columns.
$table->unique(array('mytext', 'user_id'));
or (a little neater)
$table->unique(['mytext', 'user_id']);
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How to identify unused css definitions
Are there any good approaches to help identify unused css definitions in a project? A bunch of css files were pulled in and now I'm trying to clean things up a bit.
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Renaming a branch in GitHub
...leting the old? I personally prefer processes where the delete operation happens after the create operation is successful, just in case something goes wrong.
– jmort253
Feb 16 '15 at 9:01
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Data structure for loaded dice?
... I published a little C library for random sampling using the alias method apps.jcns.fz-juelich.de/ransampl.
– Joachim W
Aug 15 '13 at 16:52
1
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How to use WinForms progress bar?
...ker. If you have a loop that large in your WinForm it will block and your app will look like it has hanged.
Look at BackgroundWorker.ReportProgress() to see how to report progress back to the UI thread.
For example:
private void Calculate(int i)
{
double pow = Math.Pow(i, i);
}
private void...
What are “sugar”, “desugar” terms in context of Java 8?
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"Desugaring" appears to have a very specific meaning in Java 8. It seems to be a catch-all term to express the various ways a lambda expression may be bound to an actual concrete method call.
This document on "Translation of Lambda Expre...
What does [object Object] mean?
... [ In HTML5, IDs can start with digits.](whatwg.org/specs/web-apps/current-work/multipage/…)
– Matt Ball
Jan 20 '11 at 17:21
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Force R not to use exponential notation (e.g. e+10)?
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In rstudio, if you import a dataset and do train_sample_10k = format(train_sample_10k,scientific=FALSE) and reload, it will change scientific notations.
– mixdev
Nov 23 '14 at 5:21
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Is it possible to Turn page programmatically in UIPageViewController?
...onDirection)direction {
NSUInteger pageIndex = ((FooViewController *) [_pageViewController.viewControllers objectAtIndex:0]).pageIndex;
if (direction == UIPageViewControllerNavigationDirectionForward) {
pageIndex++;
}
else {
pageIndex--;
}
FooViewController ...