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What is the purpose of a self executing function in javascript?
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It's all about variable scoping. Variables declared in the self executing function are, by default, only available to code within the self executing function. This allows code to be written without concern of how variables are nam...
var functionName = function() {} vs function functionName() {}
...);
function functionTwo() {
console.log("Hello!");
}
Historically, function declarations defined within blocks were handled inconsistently between browsers. Strict mode (introduced in ES5) resolved this by scoping function declarations to their enclosing block.
'use strict';
...
Test whether a glob has any matches in bash
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If find feels like overkill and the number of files likely to match is small, use stat:
if stat -t glob* >/dev/null 2>&1
then
echo found
else
echo not found
fi
share
|
improve ...
Warning: push.default is unset; its implicit value is changing in Git 2.0
...n the docs, but I'll try to summarize:
matching means git push will push all your local branches to the ones with the same name on the remote. This makes it easy to accidentally push a branch you didn't intend to.
simple means git push will push only the current branch to the one that git pull wo...
Casperjs/PhantomJs vs Selenium
...ness of testing a finance application where the login screen is unintentionally broken and non-functional!
Note that the line between the two gets slightly blurred with the recent WebDriver support in the latest PhantomJS. It is now possible to quickly run the tests first using PhantomJS and then (...
How to vertically center content with variable height within a div?
What is the best way to vertically center the content of a div when the height of the content is variable. In my particular case, the height of the container div is fixed, but it would be great if there were a solution that would work in cases where the container has a variable height as well. Also...
Path.Combine for URLs?
...at Flurl includes a Url.Combine.
More details:
Url.Combine is basically a Path.Combine for URLs, ensuring one
and only one separator character between parts:
var url = Url.Combine(
"http://MyUrl.com/",
"/too/", "/many/", "/slashes/",
"too", "few?",
"x=1", "y=2"
// result:...
AutoLayout with hidden UIViews?
...
Would be nice to give a small example of how stack view handles this.
– lostintranslation
Sep 9 '16 at 19:47
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Gson custom seralizer for one variable (of many) in an object using TypeAdapter
...a great question because it isolates something that should be easy but actually requires a lot of code.
To start off, write an abstract TypeAdapterFactory that gives you hooks to modify the outgoing data. This example uses a new API in Gson 2.2 called getDelegateAdapter() that allows you to look up...
Multiple arguments vs. options object
...bject to a function instead of passing a long list of parameters, but it really depends on the exact context.
I use code readability as the litmus test.
For instance, if I have this function call:
checkStringLength(inputStr, 10);
I think that code is quite readable the way it is and passing ind...