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Null vs. False vs. 0 in PHP
...ot found anything, but 0 if it has found something at the beginning of the string !
<?php
// pitfall :
if (strrpos("Hello World", "Hello")) {
// never exectuted
}
// smart move :
if (strrpos("Hello World", "Hello") !== False) {
// that works !
}
?>
And of course, if you deal with ...
SQLite - replace part of a string
Is it possible using SQL in an SQLite table to replace part of a string?
3 Answers
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Is there a Java equivalent or methodology for the typedef keyword in C++?
...ss you would like to typedef, e.g.:
public class MyMap extends HashMap<String, String> {}
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ASP.NET MVC Html.DropDownList SelectedValue
...ry this:
public class Person {
public int Id { get; set; }
public string Name { get; set; }
}
And then:
var list = new[] {
new Person { Id = 1, Name = "Name1" },
new Person { Id = 2, Name = "Name2" },
new Person { Id = 3, Name = "Name3" }
};
var selectList = new Select...
How to use php serialize() and unserialize()
...st a format to express such a thing, it serializes a data structure into a string representation that's unique to PHP and can be reversed into a PHP object using unserialize. There are many other formats though, like JSON or XML.
Take for example this common problem:
How do I pass a PHP array to...
Remove commas from the string using JavaScript
I want to remove commas from the string and calculate those amount using JavaScript.
2 Answers
...
Setting Authorization Header of HttpClient
...he code you listed doesn't compile, did you mean to concatenate the last 2 strings like so: client.DefaultRequestHeaders.Add("Authorization", "Bearer " + "Your Oauth token");
– TroySteven
Mar 18 '19 at 21:50
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Javascript: Setting location.href versus location
When would you set location to a URL string versus setting location.href ?
7 Answers
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JavaScript math, round to two decimal places [duplicate]
...Number/toFixed
Edit - As mentioned by others this converts the result to a string. To avoid this:
var discount = +((price / listprice).toFixed(2));
Edit 2- As also mentioned in the comments this function fails in some precision, in the case of 1.005 for example it will return 1.00 instead of 1.01. ...
Why does Html.ActionLink render “?Length=4”
...
The Length=4 is coming from an attempt to serialize a string object. Your code is running this ActionLink method:
public static string ActionLink(this HtmlHelper htmlHelper, string linkText, string actionName, object routeValues, object htmlAttributes)
This takes a string obj...