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How to reverse a singly linked list using only two pointers?
...lieve. Otherwise, the original code worked OK when plugged into your neat test harness. You get +1 from me even so - but an explanation of what you consider the 'obvious errors' would improve your answer.
– Jonathan Leffler
Nov 26 '09 at 5:50
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PHP and MySQL - how to avoid password in source code? [duplicate]
...could have a different configuration file for production, development, and testing platforms.
An environment variable is the most common way to differentiate between these environments, something like the below code:
// Check if it's been set by the web server
if (!empty($_ENV['ENVIRONMENT'])) {
...
How to urlencode data for curl command?
I am trying to write a bash script for testing that takes a parameter and sends it through curl to web site. I need to url encode the value to make sure that special characters are processed properly. What is the best way to do this?
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How to allow http content within an iframe on a https site
...w.google.com/search?q=%http://yourhttpsite.com&btnI=Im+Feeling+Lucky
Tested and works in firefox.
Other Methods:
Use a Third party such as embed.ly (but it it really only good for well known http APIs).
Create your own redirect script on an https page you control (a simple javascript redir...
Get file size, image width and height before upload
...;
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif)$/).test(file.type) )
return EL_preview.insertAdjacentHTML('beforeend', `Unsupported format ${file.type}: ${file.name}<br>`);
const img = new Image();
img.addEventListener('load', () => {
EL_preview.app...
Android webview & localStorage
...with a webview which may access to the localStorage by an HTML5 app. The test.html file informs me that local
storage is'nt supported by my browser (ie. the webview ). If you have any suggestion..
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Benefit of using Parcelable instead of serializing object
...lippe Breault made a nice article about this, and also added a performance test. developerphil.com/parcelable-vs-serializable
– WonderCsabo
Jul 5 '13 at 16:35
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Fast way to get image dimensions (not filesize)
...
I have done some tests with the ImageMagick identify command, using strace to record open/read/mmap/close calls to see how much data was been read from the identified image. It does depend on the file type and file size slightly, but I was ge...
How to set host_key_checking=false in ansible inventory file?
...re by isolating this insecure setting to the hosts required for this (e.g. test systems, local development machines).
What you can do at the inventory level is add
ansible_ssh_common_args='-o StrictHostKeyChecking=no'
or
ansible_ssh_extra_args='-o StrictHostKeyChecking=no'
to your host defini...
Swift - How to convert String to Double
...ng, and returns nil when the string does not contain a Double value (e.g. "test" will not return 0.0).
let double = NSNumberFormatter().numberFromString(myString)?.doubleValue
Alternatively, extending Swift's String type:
extension String {
func toDouble() -> Double? {
return Numb...