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What is ECMAScript?
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JavaScript is a subset of ECMAScript. JavaScript is basically ECMAScript at its core but builds upon it. Languages such as ActionScript, JavaScript, JScript all use ECMAScript as its core. As a comparison, AS/JS/JScript are 3 different cars, but they all use the same engine... eac...
Installing MSBuild 4.0 without Visual Studio 2010
...er findings after I check it out.
UPDATE: I can confirm that the link provided above does indeed install MSBuild along with other portions of what would constitute an SDK for .NET 4.0. I'm successfully using this on my build machine now without installing Visual Studio 2010 to build our project.
U...
Check if pull needed in Git
... pull", and the other two as "don't need to pull".
You can get the commit id of any ref using git rev-parse <ref>, so you can do this for master and origin/master and compare them. If they're equal, the branches are the same. If they're unequal, you want to know which is ahead of the other. U...
Java: Best way to iterate through a Collection (here ArrayList)
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I didn't say that those wouldn't work, but if by any chance a certain improvements or performance changes are done for the implementations of collections, then it would automatically apply for your code and you don't need to wri...
How to do a PUT request with curl?
...al -d arg2=val2 localhost:8080
This example also uses the -d flag to provide arguments with your PUT request.
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What does git rev-parse do?
...that I've used for:
--verify to verify that the specified object is a valid git object.
--git-dir for displaying the abs/relative path of the the .git directory.
Checking if you're currently within a repository using --is-inside-git-dir or within a work-tree using --is-inside-work-tree
Checking if...
When to use static classes in C# [duplicate]
...ality either before or after the old method, we can create a new class and call the old one inside of it - but that's just gross.
Interface woes
Static methods cannot be defined through interfaces for logic reasons. And since we can't override static methods, static classes are useless when we nee...
Is there an equivalent to background-size: cover and contain for image elements?
...r; on the img .
body {
margin: 0;
}
img {
display: block;
width: 100vw;
height: 100vh;
object-fit: cover;
}
<img src="http://lorempixel.com/1500/1000" />
See MDN - regarding object-fit: cover:
The replaced content is sized to maintain its aspect ratio while
...
How to resolve symbolic links in a shell script
...to a directory that actually exists; plus, you must cd to it first, before calling pwd -P. In other words: it won't allow you to resolve (see the target of) symlinks to files or of broken symlinks, and for resolving existing-directory symlinks you have to do additional work (restore the previous wor...
What are DDL and DML?
...ds from a database table
MERGE – UPSERT operation (insert or update)
CALL – call a PL/SQL or Java subprogram
EXPLAIN PLAN – interpretation of the data access path
LOCK TABLE – concurrency Control
DCL
DCL is short name of Data Control Language which includes commands
su...