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Send inline image in email
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Small comment: no need to call NewGuid(), the AttachmentBase class (which LinkedResource inherits from) already creates it if needed.
– Andrew
Aug 11 '17 at 21:14
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ASP.NET MVC: Unit testing controllers that use UrlHelper
One of my controllers actions, one that is being called in an Ajax request, is returning an URL to the client side so it can do a redirection. I'm using Url.RouteUrl(..) and during my unit tests this fails since the Controller.Url parameter is not pre-filled.
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JavaScript data formatting/pretty printer
...ce(/,\n$/, "");
}
Choose your indentation on the line with the recursive call, and you brace style by switching the commented line after this one.
... I see you whipped up your own version, which is good. Visitors will have a choice.
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Sort array of objects by object fields
...>name, $b->name);
}
usort($your_data, "cmp");
You can also use any callable as the second argument. Here are some examples:
Using anonymous functions (from PHP 5.3)
usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);});
From inside a class
usort($your_data, ar...
How to fix “Headers already sent” error in PHP
...aders must be invoked before any output is made.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
s...
What are fixtures in programming?
...nment in which tests are run so that results are
repeatable. Some people call this the test context.
Examples of fixtures:
Loading a database with a specific, known set of data
Erasing a hard disk and installing a known clean operating system installation
Copying a specific known ...
How to identify unused css definitions
...nstall the javascript file to the page you want to test. Then, you have to call a helium function to start the cleaning.
UnusedCSS.com is web application with an easy to use interface. Type the url of a site and you will get a list of CSS selectors. For each selector, a number indicates how many tim...
What is the difference between '&' and ',' in Java generics?
...xtends MyClass , Serializable>
This declares two type parameters, one called T (which must extend MyClass) and one called Serializable (which hides java.io.Serializable — this is probably what the warning was about).
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function declaration isn't a prototype
... to indicate that a function takes no arguments. In C++, unless you specifically need your code to compile both as C and as C++, just use ().
– Keith Thompson
Dec 30 '13 at 16:50
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Right way to reverse pandas.DataFrame?
...ven[idx], data.Odd[idx])
You are getting an error because reversed first calls data.__len__() which returns 6. Then it tries to call data[j - 1] for j in range(6, 0, -1), and the first call would be data[5]; but in pandas dataframe data[5] means column 5, and there is no column 5 so it will throw ...