大约有 9,000 项符合查询结果(耗时:0.0228秒) [XML]

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PHP DateTime::modify adding and subtracting months

I've been working a lot with the DateTime class and recently ran into what I thought was a bug when adding months. After a bit of research, it appears that it wasn't a bug, but instead working as intended. According to the documentation found here : ...
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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. ...
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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...
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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! ...
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How do you make Vim unhighlight what you searched for? [duplicate]

I search for "nurple" in a file. I found it, great. But now, every occurrence of "nurple" is rendered in sick black on yellow. Forever. ...
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How to compare Unicode characters that “look alike”?

I fall into a surprising issue. 10 Answers 10 ...
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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. ...
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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...
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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 ...
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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...