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LaTeX Optional Arguments
How do you create a command with optional arguments in LaTeX?
Something like:
6 Answers
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In jQuery, how do I get the value of a radio button when they all have the same name?
... .is(":checked"). jQuery's is() function returns a boolean (true or false) and not (an) element(s).
Because this answer keeps getting a lot of attention, I'll also include a vanilla JavaScript snippet.
document.querySelector("#submit").addEventListener("click", () => {
const val = docu...
Why is the Java main method static?
...ntire class - sometimes you have an instance that hasn't been initialized, and you have to check for it in every method that could be called.
There are just too many edge cases and ambiguities for it to make sense for the JVM to have to instantiate a class before the entry point is called. That's ...
GCD to perform task in main thread
...are on the main thread, the behaviour is the same: the block is scheduled, and executed when the run loop of the main thread is run.
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Counting inversions in an array
... find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find the number of inversions. Any hints or help would be greatly appreciated.
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Is it unnecessary to put super() in constructor?
... or protected or, if both classes are in the same package, package access; and
Default constructor: the public no-args constructor added by the compiler when there is no explicit constructor in the class.
So all classes have at least one constructor.
Subclasses constructors may specify as the fir...
Uploading base64 encoded Image to Amazon S3 via Node.js
Yesterday I did a deep night coding session and created a small node.js/JS (well actually CoffeeScript, but CoffeeScript is just JavaScript so lets say JS) app.
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惨不忍睹：说一说你最穷的时候是什么样子 - 创意 - 清泛网 - 专注C/C++及内核技术
...情了。
类型一：穷到没钱吃饭型
@戚大会-smine:翻箱倒柜找到两块一毛钱，去超市称了一块七毛钱的米，吃了两天的白米粥。
@常勤殿：注销银行卡，只有这样才能把上面的一块多钱取出来吃饭。
@付砖砖...
git shallow clone (clone --depth) misses remote branches
...e branch (at your requested depth).
Unfortunately both options (--depth and --single-branch) have been faulty in the past and the use of shallow clones implicits unresolved problems (as you can read in the link I posted above), which is caused by the given history-rewrite. This leads in overall t...
Git: Merge a Remote branch locally
...ant to add the --depth=1 option when you use git fetch.
Note 2: These commands also work with other remote repos so you can setup an origin and an upstream if you are working on a fork.
Opposite scenario: If you want to merge one of your local branch on a remote branch (as opposed to a remote br...