大约有 9,000 项符合查询结果(耗时:0.0343秒) [XML]
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...s job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
...
Using npm behind corporate proxy .pac
I need to download several packages through npm but our corporate proxy configuration is a .pac file (i'm on windows)
25 An...
Set a default parameter value for a JavaScript function
I would like a JavaScript function to have optional arguments which I set a default on, which get used if the value isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
...
How do I check if an element is really visible with JavaScript? [duplicate]
In JavaScript, how would you check if an element is actually visible?
16 Answers
16
...
What is the difference between gsub and sub methods for Ruby Strings
...iced before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
...
Dropping Unique constraint from MySQL table
How can I drop the "Unique Key Constraint" on a column of a MySQL table using phpMyAdmin?
10 Answers
...
Haskell: Where vs. Let
I am new to Haskell and I am very confused by Where vs. Let . They both seem to provide a similar purpose. I have read a few comparisons between Where vs. Let but I am having trouble discerning when to use each. Could someone please provide some context or perhaps a few examples that demonstr...
How to compare Unicode characters that “look alike”?
I fall into a surprising issue.
10 Answers
10
...
Arduino101(Genuino 101)&App Inventor – RGB LED控制 - 创客硬件开...
繁体中文原文:https://blog.cavedu.com/2017/02/ ... %e6%8e%a7%e5%88%b6/
本文將介紹如何取得觸碰點的 RGB 參數之後透過 BLE 送給 Arduino 101 來點亮 RGB LED。
App InventorDesigner使用 Canvas 來取得觸碰點座標。兩個連線斷線用的按鈕:Btn_Connect /&n...
SQL JOIN - WHERE clause vs. ON clause
After reading it, this is not a duplicate of Explicit vs Implicit SQL Joins .
The answer may be related (or even the same) but the question is different.
...
