In addition to using LIMIT SQL statements you can also use the SQLite3 function querySingle to retrieve a single row, or the first column.
<?php
$database = new SQLite3('mysqlitedb.db');
//Without the optional second parameter set to true, this query would return just
//the first column of ...
Using core debugger
Node.js provides a build in non graphical debugging utility. To start the build in the debugger, start the application with this command:
node debug filename.js
Consider the following simple Node.js application contained in the debugDemo.js
'use strict';
function addTwoN...
A basic Nightwatch installation for Meteor will have the following directories and files installed.
/myapp
/myapp/.meteor/nightwatch.json
/client/main.html
/client/main.js
/client/main.css
/tests
/tests/nightwatch
/tests/nightwatch/assertions
/tests/nightwatch/commands
/tests/nightwatch/da...
Readable streams can be "piped," or connected, to writable streams. This makes data flow from the source stream to the destination stream without much effort.
var fs = require('fs')
var readable = fs.createReadStream('file1.txt')
var writable = fs.createWriteStream('file2.txt')
rea...
Helpers should extend from Mage_Core_Helper_Abstract:
# File: app/code/local/Vendor/Package/Helper/Data.php
class Vendor_Package_Helper_Data extends Mage_Core_Helper_Abstract
{
public function multiply($a, $b)
{
return $a * $b;
}
}
To be able to access is via Mage::hel...
Radio Buttons allow you to let the user choose one element of those given. There are two ways to declare a RadioButton with a text besides it. Either by using the default constructor RadioButton() and setting the text with the setText(String) method or by using the other constructor RadioButton(Stri...
Let's say the second RadioButton out of three is pre-selected with setSelected(Boolean), the focus is still at the first RadioButton by default. To change this use the requestFocus() method.
radioButton2.setSelected(true);
radioButton2.requestFocus();
Sometimes we need a visual hint to indicate the return status of previous command. The following snippet make put it at the head of the PS1.
Note that the __stat() function should be called every time a new PS1 is generated, or else it would stick to the return status of last command of your .bashr...
Open Storyboard where you have your ViewController with TableView:
Add prototype cell (if there is no cell added before):
Customize cell as you want (in my case there is custom UIImage and Label):
Remember to set height of the cell. To do it select your whole TableView and from the Properties...
[root@localhost ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d87bf9607836 8251da35e7a7 "/bin/bash" About a minute ago Up 31 seconds vol3
[r...
While each mobile platforms do offer their own settings management api, there are no built in ways to read settings from a good old .net style app.config xml file;
This is due to a bunch of good reasons, notably the .net framework configuration management api being on the heavyweight side, and each...
Express passes a next callback to every route handler and middleware function that can be used to break logic for single routes across multiple handlers. Calling next() with no arguments tells express to continue to the next matching middleware or route handler. Calling next(err) with an error will ...
func bufferedUnbufferedExample(buffered bool) {
// We'll declare the channel, and we'll make it buffered or
// unbuffered depending on the parameter `buffered` passed
// to this function.
var ch chan int
if buffered {
ch = make(chan int, 3)
} else {
ch...
With the four tiers of grids available you're bound to run into issues where, at certain breakpoints, your columns don't clear quite right as one is taller than the other. To fix that, use a combination of a .clearfix and our responsive utility classes.
<div class="row">
<div ...
Install DateTime on your PC and then use it in perl script:
use DateTime;
Create new current datetime
$dt = DateTime->now( time_zone => 'Asia/Ho_Chi_Minh');
Then you can access elements's values of date and time:
$year = $dt->year;
$month = $dt->month;
$day = $dt->day;
$...
Attribute Image capitalizes all characters of enumeration literals. The function Case_Rule_For_Names applies upper case for the first character and makes the rest lower case.
with Ada.Text_IO; use Ada.Text_IO;
with Ada.Strings.Maps.Constants; use Ada.Strings.Maps.Constants;
with Ada.Strings.Fixed...
The whole ES6 spec is not yet implemented in its entirety so you will only be able to use some of the new features. You can see a list of the current supported ES6 features at http://node.green/
Since NodeJS v6 there has been pretty good support. So if you using NodeJS v6 or above you can enjoy usi...
