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Mercurial undo last commit
How can I undo my last accidentally commited (not pushed) change in Mercurial?
7 Answers
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What should be the values of GOPATH and GOROOT?
...me they will be installed in
/usr/local/go (or c:\Go under Windows), but it is possible to install
the Go tools to a different location. In this case you must set the
GOROOT environment variable to point to the directory in which it was
installed.
For example, if you installed Go to you...
Deprecated: mysql_connect()
...
There are a few solutions to your problem.
The way with MySQLi would be like this:
<?php
$connection = mysqli_connect('localhost', 'username', 'password', 'database');
To run database queries is also simple and nearly identical with the old way:
<?php
// Old way
mysq...
Is the LIKE operator case-sensitive with MSSQL Server?
...documentation about the LIKE operator , nothing is told about the case-sensitivity of it. Is it? How to enable/disable it?
...
Difference between a “coroutine” and a “thread”?
...ent processing: multiple threads may be executing at any given time. (Traditionally, on single-CPU, single-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so many machines are multi-CPU and/or multi-core, threads will de facto be executing simultaneously,...
What exactly do the Vagrant commands do?
...
I agree with you that documentation at vagrantup is on the shorter side.
Some information can be gleaned from command help system.
For example: gem command.
Just type the command without arguments: vagrant gem -h and it produces t...
Download and open PDF file using Ajax
...ax for this. Just an <a> link is enough if you set the content-disposition to attachment in the server side code. This way the parent page will just stay open, if that was your major concern (why would you unnecessarily have chosen Ajax for this otherwise?). Besides, there is no way to handle ...
Android “Only the original thread that created a view hierarchy can touch its views.”
... UI onto the main thread. There is a simple piece of code for this:
runOnUiThread(new Runnable() {
@Override
public void run() {
// Stuff that updates the UI
}
});
Documentation for Activity.runOnUiThread.
Just nest this inside the method that is running in the background,...
Loading local JSON file
I'm trying to load a local JSON file but it won't work. Here is my JavaScript code (using jQuery):
23 Answers
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What are 'get' and 'set' in Swift?
...
That's actually explained right before the code:
In addition to simple properties that are stored, properties can have a getter and a setter.
class EquilateralTriangle: NamedShape {
...
When some other class wants to get that perimeter variable, they do this:
let someVar =...