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Insert code into the page context using a content script
...example one and two. If you don't have to use chrome.* APIs, simply inject all of your JS code in the page by adding a <script> tag as shown below.
Safety warning:
A page may redefine or augment/hook a built-in prototype so your exposed code may fail if the page did it in an incompatible fashi...
Get first key in a (possibly) associative array?
...
2019 Update
Starting from PHP 7.3, there is a new built in function called array_key_first() which will retrieve the first key from the given array without resetting the internal pointer. Check out the documentation for more info.
You can use reset and key:
reset($array);
$first_key = key(...
PostgreSQL function for last inserted ID
...
( tl;dr : goto option 3: INSERT with RETURNING )
Recall that in postgresql there is no "id" concept for tables, just sequences (which are typically but not necessarily used as default values for surrogate primary keys, with the SERIAL pseudo-type).
If you are interested in g...
How to import a .cer certificate into a java keystore?
...the private key. The private key is provided with a .PFX keystore file normally.
If you really authenticate is because you already had imported the private key.
You normally can import .CER certificates without any problems with
keytool -importcert -file certificate.cer -keystore keystore.jks -al...
How to merge the current branch into another branch
... +1 This is creative, and doesn't touch the working tree at all. Just a clarification: the /path/to/your/repository is the path to your working tree, i.e. don't include the .git directory. Also, this should go without saying: the remote will have to be updated if you move the repo.
...
Swift compiler error: “non-modular header inside framework module”
...n's Bridging Header, which behaves differently. The umbrella header is actually designated for mixed swift, obj-c framework and its purpose is exposing the APIs to the outer world that your framework has in objective-c or c. That means the headers we put there should be in the public scope.
It sho...
Any way to limit border length?
...dd an additional element to the markup which the original question specifically asks to avoid. So I don't understand why this is the accepted answer for this question.
– Spencer O'Reilly
Nov 9 '17 at 15:40
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AsyncTask Android example
...o this is via switch statements. I have a complete class edited below with all suggestions to save confusion.
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.Settings.System;
import android.view.View;
import android.widget.Button;
import a...
Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...your latter example, I must add data: $('form').serialize(),to the ajax() call. Otherwise, no form data are passed and my model is invalid on the server side. Wonder if there is something I've overlooked?
– Brett
Oct 31 '11 at 16:14
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How do I determine whether an array contains a particular value in Java?
...h FindBugs will tell you is very naughty. Do not modify statics and do not allow other code to do so also. At an absolute minimum, the field should be private:
private static final String[] VALUES = new String[] {"AB","BC","CD","AE"};
(Note, you can actually drop the new String[]; bit.)
Reference a...