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How do I do an OR filter in a Django query?
... More specifically query sets tend to hit the DB only when you try to index into them, otherwise you're just building a query.
– awiebe
Jul 7 '18 at 22:50
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Array Size (Length) in C#
...
b.Rank
will give the number of dimensions (2) and
b.GetLength(dimensionIndex)
will get the length of any given dimension (0-based indexing for the dimensions - so b.GetLength(0) is 3 and b.GetLength(1) is 5).
See System.Array documentation for more info.
As @Lucero points out in the comments...
How can I perform a str_replace in JavaScript, replacing text in JavaScript?
...ertainly ways to optimize regex matches, but I think it's unlikely to beat indexing into a string in the common case.
For a simple test run on the JS perf page, I've documented some of the results:
<script>
// Setup
var startString = "xxxxxxxxxabcxxxxxxabcxx";
var endStringRegEx ...
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个函数的输入参数，kP比kp看起来更舒服，kn(callstack with index number)
在windbg中，在堆栈中切换到不同的函数，需要用到.frame命令（注意前面的点号）。
kn
# ChildEBP RetAddr
00 0021fa0c 01341464 MSVCR90D!_wtol [f:\dd\vctools\crt_bld\self_x86\crt\src...
Algorithm to randomly generate an aesthetically-pleasing color palette [closed]
...ntation in their web page.
http://tools.medialab.sciences-po.fr/iwanthue/index.php
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When should a class be Comparable and/or Comparator?
...ation of the uses of both Comparator and comparable: sysdotoutdotprint.com/index.php/2017/03/28/…
– mel3kings
Mar 28 '17 at 3:49
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How can I make a jQuery UI 'draggable()' div draggable for touchscreen?
...you. Heres a demo of the pre:
https://dl.dropbox.com/u/3872624/lab/touch/index.html
Just grab the jquery.mouse.ui.js out, stick it under the jQuery ui file you're loading, and that's all you should have to do! Works for sortable as well.
This code is working great for me, but if your getting er...
Are there any free Xml Diff/Merge tools available? [closed]
...:Merge has now been replaced by Oso XML Merge: osocorporation.com/xmlmerge/index.php
– leetNightshade
Aug 4 '16 at 23:48
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jQuery scroll to element
...ou can just use [0], but get(0) protects you against undefined or negative indexes. See the source: james.padolsey.com/jquery/#v=1.10.2&fn=jQuery.fn.get
– corbacho
Apr 2 '14 at 14:16
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How to drop all user tables?
...ere object_type in ('VIEW','PACKAGE','SEQUENCE', 'PROCEDURE', 'FUNCTION', 'INDEX')
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