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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...
What is the purpose of mock objects?
I am new to unit testing, and I continously hear the words 'mock objects' thrown around a lot. In layman's terms, can someone explain what mock objects are, and what they are typically used for when writing unit tests?
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Maximum single-sell profit
...tock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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No mapping found for field in order to sort on in ElasticSearch
...uery if there are some documents found not containing field used in sort criteria.
8 Answers
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Algorithm to return all combinations of k elements from n
I want to write a function that takes an array of letters as an argument and a number of those letters to select.
71 Answe...
CSS table-cell equal width
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Here is a working fiddle with indeterminate number of cells: http://jsfiddle.net/r9yrM/1/
You can fix a width to each parent div (the table), otherwise it'll be 100% as usual.
The trick is to use table-layout: fixed; and some width on each cell to t...
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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