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How can I get the current user's username in Bash?
...oks at the user attached to stdin. However, if you are running a batch job from cron, or you are running a startup script as a different user than root, then these will either output the wrong user (root) or nothing at all. This answer will return the correct value regardless by looking at process's...
HTTP GET request in JavaScript?
...) provide an XMLHttpRequest object which can be used to make HTTP requests from JavaScript:
function httpGet(theUrl)
{
var xmlHttp = new XMLHttpRequest();
xmlHttp.open( "GET", theUrl, false ); // false for synchronous request
xmlHttp.send( null );
return xmlHttp.responseText;
}
Ho...
What part of Hindley-Milner do you not understand?
...ype τ, proves that e has type τ'.
As requested: operator precedence, from highest to lowest:
Language-specific infix and mixfix operators, such as λ x . e, ∀ α . σ, and τ → τ', let x = e0 in e1, and whitespace for function application.
:
∈ and ∉
, (left-associative)
⊢
whitespa...
Using C# to check if string contains a string in string array
...ains(s))) */
This checks if stringToCheck contains any one of substrings from stringArray. If you want to ensure that it contains all the substrings, change Any to All:
if(stringArray.All(stringToCheck.Contains))
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Xcode - ld: library not found for -lPods
...
It seems project has been using cocoapods. and that files are missing from your project.
You cant just download it from git. You need to install it from cocoapods.
for more help, you may follow Introduction to CocoaPods Tutorial
If the project uses CocoaPods be aware to always open the .xcwo...
Static/Dynamic vs Strong/Weak
...istinguished (e.g. whether the language tries to do an implicit conversion from strings to numbers).
See the wiki-page for more detailed information.
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Why is super.super.method(); not allowed in Java?
...se to sometimes be able to bypass your own class's behaviour (particularly from within the same method) but not your parent's. For example, suppose we have a base "collection of items", a subclass representing "a collection of red items" and a subclass of that representing "a collection of big red i...
How to convert enum value to int?
...the OP already has a value of type Tax, and wants to get the numeric value from it.
– Jon Skeet
Sep 10 '14 at 22:34
I ...
Is there a range class in C++11 for use with range based for loops?
...I'd also propose to alias iterator to const_iterator, have iterator derive from std::iterator and have range implement cbegin and cend. Oh and... why does iterator::operator++ returns a const reference ?
– Matthieu M.
Aug 25 '11 at 6:27
...
Wait 5 seconds before executing next line
...woefully inadequate. What if you need to sleep for 500ms before returning from the function, for instance to simulate a slow async http request?
– A.Grandt
Sep 22 '16 at 9:17
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