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How do you get the current project directory from C# code when creating a custom MSBuild task?
...You can try one of this two methods.
string startupPath = System.IO.Directory.GetCurrentDirectory();
string startupPath = Environment.CurrentDirectory;
Tell me, which one seems to you better
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How to use __doPostBack()
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You can try this in your web form with a button called btnSave for example:
<input type="button" id="btnSave" onclick="javascript:SaveWithParameter('Hello Michael')" value="click me"/>
<script type="text/javascript">
function SaveWithParamet...
HTML5 textarea placeholder not appearing
I cannot figure out what is wrong with my markup, but the placeholder for the text area will not appear. It seems as though it may be covered up with some blank spaces and tabs. When you focus on the text area and delete from where the cursor puts itself, then leave the text area, the proper placeho...
In Python, how do you convert seconds since epoch to a `datetime` object?
...ime.fromtimestamp(1284286794)
datetime.datetime(2010, 9, 12, 11, 19, 54)
or
>>> datetime.datetime.utcfromtimestamp(1284286794)
datetime.datetime(2010, 9, 12, 10, 19, 54)
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What is the difference between --save and --save-dev?
...
--save-dev is used to save the package for development purpose.
Example: unit tests, minification..
--save is used to save the
package required for the application to run.
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How to set environment variables in Python?
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On some platforms, modifying os.environ will not actually modify the system environment either for the current process or child processes. See the docs for more info: docs.python.org/2/library/os.html#os.environ
– Ev...
Why Func instead of Predicate?
...on variants come from .net 3.5.
So those Func predicates are used mainly for consistency in the LINQ operators. As of .net 3.5, about using Func<T> and Action<T> the guideline states:
Do use the new LINQ types Func<> and
Expression<> instead of custom
delegates and p...
How can I get the last 7 characters of a PHP string?
...
Use substr() with a negative number for the 2nd argument.
$newstring = substr($dynamicstring, -7);
From the php docs:
string substr ( string $string , int $start [, int $length ] )
If start is negative, the returned string will start at the start'th character ...
How do I merge two javascript objects together in ES6+?
...ge/extend/assign in ES6 by using Object.assign:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
Syntax:
Object.assign(target, sources);
where ...sources represents the source object(s).
Example:
var obj1 = {name: 'Daisy', age: 30};
var obj2 = ...
Haskell error parse error on input `='
...
In GHCi 7.x or below, you need a let to define things in it.
Prelude> let f x = x * 2
Prelude> f 4
8
Starting from GHC 8.0.1, top-level bindings are supported in GHCi, so OP's code will work without change.
GHCi, version 8.0.1....