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Android mock location on device?
...ou have to enable mock locations in the development panel in your settings and add
<uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" />
to your manifest.
Now you can go in your code and create your own mock location provider and set the location of this provider...
How to fix PCH error?
...ching problem. Usually it can be resolved by holding down the Option key and choosing Product > Clean Build Folder...
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What is the difference between self-types and trait subclasses?
...njection in Scala, including the Cake Pattern. If you Google "Cake Pattern and Scala", you'll get many links, including presentations and videos. For now, here is a link to another question.
Now, as to what is the difference between a self type and extending a trait, that is simple. If you say B ex...
Can you use if/else conditions in CSS?
...class="normal">Text</p>
<p class="active">Text</p>
and in your CSS file:
p.normal {
background-position : 150px 8px;
}
p.active {
background-position : 4px 8px;
}
That's the CSS way to do it.
Then there are CSS preprocessors like Sass. You can use conditionals there...
how to make a specific text on TextView BOLD
...
Just build your String in HTML and set it:
String sourceString = "<b>" + id + "</b> " + name;
mytextview.setText(Html.fromHtml(sourceString));
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nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
...n be caused if you have a nginx configuration that is listening on port 80 and also on port [::]:80.
I had the following in my default sites-available file:
listen 80;
listen [::]:80 default_server;
You can fix this by adding ipv6only=on to the [::]:80 like this:
listen 80;
listen [::]:80 ipv6o...
Add alternating row color to SQL Server Reporting services report
...
Go to the table row's BackgroundColor property and choose "Expression..."
Use this expression:
= IIf(RowNumber(Nothing) Mod 2 = 0, "Silver", "Transparent")
This trick can be applied to many areas of the report.
And in .NET 3.5+ You could use:
= If(RowNumber(Nothing...
Copy files without overwrite
I just can't seem to find a way on the command line to say "copy all the files from directory A to directory B, but if the file already exists in directory B, don't overwrite it, no matter which file is newer, and don't prompt me."
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Is there a JavaScript function that can pad a string to get to a determined length?
I am in need of a JavaScript function which can take a value and pad it to a given length (I need spaces, but anything would do). I found this:
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Best way to select random rows PostgreSQL
I want a random selection of rows in PostgreSQL, I tried this:
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