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C# How can I check if a URL exists/is valid?
... c# 2005 that looks up a stock symbol on Yahoo! Finance, downloads the historical data, and then plots the price history for the specified ticker symbol.
...
Print array to a file
...
Either var_export or set print_r to return the output instead of printing it.
Example from PHP manual
$b = array (
'm' => 'monkey',
'foo' => 'bar',
'x' => array ('x', 'y', 'z'));
$results = print_r($b, true); // $...
Python to print out status bar and percentage
... go with one of the other answers.
A simple example of how to use it:
import progressbar
from time import sleep
bar = progressbar.ProgressBar(maxval=20, \
widgets=[progressbar.Bar('=', '[', ']'), ' ', progressbar.Percentage()])
bar.start()
for i in xrange(20):
bar.update(i+1)
sleep(0.1...
Simplest SOAP example
... '<soapenv:Envelope ' +
'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ' +
'xmlns:api="http://127.0.0.1/Integrics/Enswitch/API" ' +
'xmlns:xsd="http://www.w3.org/2001/XMLSchema" ' +
'xmlns:soapenv="http://sc...
How do you use “
...arameters. One level of parameters (the parent) controls how the function works. The other level (the child) does the work. The following example shows how can use this idea to generate a family of power functions. The parent function (power) creates child functions (square and cube) that actually d...
npm: disable postinstall script for package
...y npm option exist to disable postinstall script while installing package? Or for rewriting any field from package.json?
4 ...
NSUserDefaults removeObjectForKey vs. setObject:nil
...he case when I tested this.
When set to nil the result is NSCFData being stored. Possibly an NSNull object reference, but I am not positive.
To completely remove a value for a key use UserDefaults.standard.removeObject(forKey: "YourDefault")
I tested with the following code:
UserDefaults.standar...
How to create an exit message
...
The abort function does this. For example:
abort("Message goes here")
Note: the abort message will be written to STDERR as opposed to puts which will write to STDOUT.
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Create a File object in memory from a string in Java
...nt to create/write a new File (I don't have write access to filesystem) in order to pass my string data to the function. I should add that the String data don't exist in a file (so I cannot read my data from a file).
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How to determine device screen size category (small, normal, large, xlarge) using code?
Is there any way to determine the category of screen size of the current device, such as small, normal, large, xlarge?
12 A...