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cleanest way to skip a foreach if array is empty [duplicate]
...ddition, this would work with objects implementing \Traversable, whereas is_array wouldn't work.
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How to avoid 'cannot read property of undefined' errors?
...tive "in", but allows paths.
var testObject = {a: {b: {c: 'walrus'}}};
if(_.has(testObject, 'a.b.c')) {
//Safely access your walrus here
}
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How to download an entire directory and subdirectories using wget?
...ader: wget -r -l1 --no-parent http://www.stanford.edu/~boyd/cvxbook/cvxbook_additional_exercises/ was the answer for me. Thanks your answer.
– isomorphismes
Jun 21 '14 at 17:05
2
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What is this weird colon-member (“ : ”) syntax in the constructor?
...ring("Name")). It fits in with the constructor better than Foo(int num) : m_Count = 5. Not to mention that classes must be constructed at this point anyway, since it's initialized here. Foo(int num) : Bar = num, wouldn't compile right. It just seems weird seeing Foo(int num) : m_Count(num), since pr...
How do you execute an arbitrary native command from a string?
...'MyApp'
$apps= @{}
Get-ChildItem $path |
Where-Object -FilterScript {$_.getvalue('DisplayName') -like $app} |
ForEach-Object -process {$apps.Set_Item(
$_.getvalue('UninstallString'),
$_.getvalue('DisplayName'))
}
foreach ($uninstall_string in $apps.GetEnumerator()) {
...
Razor-based view doesn't see referenced assemblies
...
In ASP.NET Core MVC the solution is to add a using in _ViewImports.cshtml, instead of putting it web.config in the View folder when working with ASP.NET MVC 5.
_ViewImports.cshtml
@using mySolution
@using mySolution.ViewModels // <-- Add this, and place your ViewModel (e.g....
How to read/write from/to file using Go?
... n == 0 {
break
}
// write a chunk
if _, err := fo.Write(buf[:n]); err != nil {
panic(err)
}
}
}
Here I used os.Open and os.Create which are convenient wrappers around os.OpenFile. We usually don't need to call OpenFile directly.
Notice...
Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
... edited Jan 22 '15 at 3:26
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answered Oct 1 '13 at 11:41
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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...
How to override a JavaScript function
...or preferably extend it's implementation like this
parseFloat = (function(_super) {
return function() {
// Extend it to log the value for example that is passed
console.log(arguments[0]);
// Or override it by always subtracting 1 for example
arguments[0] = argume...