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Why can't I use the 'await' operator within the body of a lock statement?
....Tasks;
public class SemaphoreLocker
{
private readonly SemaphoreSlim _semaphore = new SemaphoreSlim(1, 1);
public async Task LockAsync(Func<Task> worker)
{
await _semaphore.WaitAsync();
try
{
await worker();
}
finally
{...
Setting Windows PowerShell environment variables
...profile files: profile.ps1 should be loaded by all hosts, <host-name>_profile.ps1 just by the specified host. For PowerShell.exe (console host), this is Microsoft.PowerShell_profile.ps1.
– Richard
Apr 4 '09 at 14:44
...
How to change webservice url endpoint?
...he endpoint URL
The first option is to change the BindingProvider.ENDPOINT_ADDRESS_PROPERTY property value of the BindingProvider (every proxy implements javax.xml.ws.BindingProvider interface):
...
EchoService service = new EchoService();
Echo port = service.getEchoPort();
/* Set NEW Endpoint Lo...
How to install a specific JDK on Mac OS X?
...
In a comment under @Thilo's answer, @mobibob asked how to set JAVA_HOME in your .bash_profile on a Mac. Answer:
export JAVA_HOME=`/usr/libexec/java_home`
This will dynamically assign to JAVA_HOME the location of the first JDK listed in the "General" tab of "Java Preferences" utility.
S...
What is the size limit of a post request?
...rol it using .htaccess configuration file, like so:
#set max post size
php_value post_max_size 20M
And, yes, I can personally attest to the fact that this works :)
If you're using IIS, I don't have any idea how you'd set this particular value.
...
Regular expression for first and last name
...'ve tested in python and it supports the characters below:
^[\w'\-,.][^0-9_!¡?÷?¿/\\+=@#$%ˆ&*(){}|~<>;:[\]]{2,}$
Characters supported:
abcdefghijklmnopqrstwxyz
ABCDEFGHIJKLMNOPQRSTUVWXYZ
áéíóúäëïöüÄ'
陳大文
łŁőŐűŰZàáâäãåąčćęèéêëėįìíîïłńòó...
Detect if device is iOS
...changed to "Mac OS", for example: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0 Safari/605.1.15 so this answer need to be updated
– zvi
Jul 7 '19 at 14:34
...
How can I store my users' passwords safely?
...<?php
// $hash is what you would store in your database
$hash = password_hash($_POST['password'], PASSWORD_DEFAULT, ['cost' => 12]);
// $hash would be the $hash (above) stored in your database for this user
$checked = password_verify($_POST['password'], $hash);
if ($checked) {
echo 'passw...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...bara appears to be pretty smart about waiting for DOM changes (see Why wait_until was removed from Capybara
), but the default wait time of 2 seconds was simply not enough in my case. Changed in _spec_helper.rb_ with e.g.
Capybara.default_max_wait_time = 5
...
How to inherit from a class in javascript?
...sole issue?)
// In the Chrome console you should be able to drill down the __proto__ chain
// You can also look down the proto chain with Object.getPrototypeOf
// (Equivalent to tiger.__proto__)
console.log( Object.getPrototypeOf(tiger) ); // Mammal
console.log( Object.getPrototypeOf(Object.getPro...