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What does a tilde do when it precedes an expression?
... for. Generally, you want your code to communicate clearly to other people reading it. While using ~ may look cool, it's generally too clever for its own good. :)
It's also less relevant now that JavaScript has Array.prototype.includes() and String.prototype.includes(). These return a boolean value...
How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
... tell, there's no way to generate a constructor based on fields that are already in the class. If you try to instantiate the class with a signature that doesn't match any existing ones, it will offer to generate that constructor for you.
– James Kolpack
Jun 4 ...
Avoid web.config inheritance in child web application using inheritInChildApplications
... I get this error "The configuration section 'configSections' cannot be read because it is missing a section declaration " in my parents web.config file.
– Blankman
Apr 23 '09 at 15:37
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Random “Element is no longer attached to the DOM” StaleElementReferenceException
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Am I right in saying that it's no longer possible to read elements into variables and re-use them? Because I have a huge dry and dynamic WATiR DSL that relies on passing elements and I'm trying to port to webdriver, but I'm having the same problem. Essentially I'll have to add ...
What is non-blocking or asynchronous I/O in Node.js?
...en example, localStorage is a blocking operation as it stalls execution to read. On the other hand, fetch is a non-blocking operation as it does not stall alert(3) from execution.
// Blocking: 1,... 2
alert(1);
var value = localStorage.getItem('foo');
alert(2);
// Non-blocking: 1, 3,... 2
alert(1)...
Pushing an existing Git repository to SVN
... your machine.
Open .git/config and add the following (from Maintaining a read-only SVN mirror of a Git repository):
[svn-remote "svn"]
url = https://your.svn.repo
fetch = :refs/remotes/git-svn
Now, from a console window, type these:
git svn fetch svn
git checkout -b svn git-svn
git mer...
Is Java really slow?
...ow (updated for 2013):
Libraries are often written for "correctness" and readability, not performance. In my opinion, this is the main reason Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are of...
Why does NULL = NULL evaluate to false in SQL server
...rting code snippets for the same reason. Sorry about that. Buy the book to read about datailed reasoning.
Page numbers between parenthesis in what follow.
NOT NULL Constraint (11)
The most important column constraint is the NOT NULL, which forbids
the use of NULLs in a column. Use this c...
Stop pip from failing on single package when installing with requirements.txt
... At least with GNU xargs, there's -a flag option, which allows xargs read arguments from file, so this can be done as xargs -n 1 -a requirements.txt pip install. Prevents UUOC and excessive plumbing
– Sergiy Kolodyazhnyy
Sep 3 '18 at 22:28
...
Is JavaScript an untyped language?
...
(source: no.gd)
Even Brendan Eich says so. On Twitter, he replied to a thread that linked to this question:
... academic types use "untyped" to mean "no static types"...
So the problem is that there's a few different definitions of untyped.
One definition has been talked about in one of the abov...