大约有 15,000 项符合查询结果（耗时：0.0524秒） [XML]
How can I add a hint text to WPF textbox?
For example, Facebook has a "Search" hint text in the Search text box when the textbox is empty.
14 Answers
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Jasmine.js comparing arrays
Is there a way in jasmine.js to check if two arrays are equal, for example:
4 Answers
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
I want to be able to debug C structures without having to explicitly type every property that they consist of.
8 Answers
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
In the x86-64 Tour of Intel Manuals , I read
3 Answers
3
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2
Is it possible to plot a matrix of scatter plots with ggplot2 , using ggplot 's nice features like mapping additional factors to color, shape etc. and adding smoother?
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Bash script to cd to directory with spaces in pathname
I'm using Bash on macOS X and I'd like to create a simple executable script file that would change to another directory when it's run. However, the path to that directory has spaces in it. How the heck do you do this? This is what I have...
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How to determine if object is in array [duplicate]
I need to determine if an object already exists in an array in javascript.
11 Answers
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How to find whether or not a variable is empty in Bash
...t useless, if I do not inlcude I ma getting ./test.ksh[8]: test: argument expected dunnot the reason but single bracket didn't work but the double one had it.
– gahlot.jaggs
Oct 4 '13 at 7:24
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ActionController::InvalidAuthenticityToken
...do caching.
As @toobulkeh commented this is not a vulnerability on :index, :show actions, but beware using this on :put, :post actions.
For example:
caches_page :index, :show
skip_before_filter :verify_authenticity_token, :only => [:index, :show]
Reference: http://api.rubyonrails.org/c...
What is the role of the bias in neural networks? [closed]
...y be critical for successful learning.
It might help to look at a simple example. Consider this 1-input, 1-output network that has no bias:
The output of the network is computed by multiplying the input (x) by the weight (w0) and passing the result through some kind of activation function (e.g....