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css - Vertical align table-cell don't work with position absolute

http://jsfiddle.net/fQv97/ HTML <div class="table-cell"> My text, should be align middle </div> CSS . ... CSS. Any clever workaround for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why are Perl source filters bad and when is it OK to use them?

It is "common knowledge" that source filters are bad and should not be used in production code. When answering a ... OK to use a source filter? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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874 views

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math - Linear regression of arrays containing NANs in Python/Numpy

I have two arrays, say varx and vary. Both contain NAN values at various positions. However, I would like to ... not sure how it works exactly. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why Python `Memory Error` with list `append()` lots of RAM left

I am building a large data dictionary from a set of text files. As I read in the lines and process ... it possible to increase the allocation? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Solr exact word search

I want to configure my Solr search engine so I get an exact match for the search term I enter. eg. ' ... help or tips would be appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory management - Why do you specify the size when using malloc in C?

Take the following code : int *p = malloc(2 * sizeof *p); p[0] = 10; //Using the two spaces I p[1] ... you specify a size when you use malloc ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysql date comparison with date_format

I googled and tried several ways to compare date but unfortunately didn't get the result as expected. I have ... suggestion? Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysql - How would I use ON DUPLICATE KEY UPDATE in my CodeIgniter model?

I have a CodeIgniter/PHP Model and I want to insert some data into the database. However, I have this ... ActiveRecord-based model? Thanks! Jack See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - Search NSArray for value matching value

I have an NSArray of objects, which has a particular property called name (type NSString). I have a second ... will be required quite often. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Why does this implementation of strlen() work?

(Disclaimer: I've seen this question, and I am not re-asking it -- I am interested in why the code works, ... and we are reading past its end. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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macos - Getting Mouse Coordinates in Swift

Swift newbie here. I've been having trouble with a task that should be trivial. All I want to do is get ... s coords. Would appreciate any help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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windows - Launch an external application from node.js

I'm writing a desktop web app that uses node.js to access the local file system. I can currently use node.js ... what to do with it. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Please explain why I am able to instantiate the "Application" interface in Excel VSTO

I have the following C# code in my application which works just fine. It launches a new instance of Excel. private ... and how is it possible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2: validation for <input type="file"/> won't trigger when changing the file to upload

Angular 2 seems to have troubles with running validation when a file input changes. I made a plunk to ... any solution to this problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Removing space at the top left and right of div

I am starting to work with css and have basic issue. I have a div element: .top { background-color: #3B5998; margin- ... class="top">...</div> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - I want to show list items as 2 or more columns (dynamic alignment)

I am able to do the list using float:left; like this But I would like to show it like this (as 2 or more ... IE(need ie7 and above). any help? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Union of intervals

I've got a class representing an interval. This class has two properties "start" and "end" of a ... such intervals. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Secure Password Hashing

I need to store a hash of a single password in a .Net WinForms application. What's the most secure way ... be either SHA512 or HMACSHA512. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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657 views

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assembly - Why not store function parameters in XMM vector registers?

I'm currently reading the book: "Computer Systems - A Programmers Perspective". I've found out that, on the ... and then read it from memory. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Add an array of buttons to a GridView in an Android application

I have an application that will have 5-15 buttons depending on what is available from a backend. How do I define ... this be done in a GridView? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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626 views

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apache - PHP files are downloaded by browser instead of processed by local dev server (MAMP)

Everything was going great until I added AddHandler application/x-httpd-php5s .php to the .htaccess file in my ... Apache setup, but MAMP). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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298 views

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WebGL: How to correctly blend alpha channel png

I'm pretty new to OpenGL and even newer to WebGL. I'm trying to draw a textured quad with an alpha channel. ... I'm not creating mipmaps, BTW. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - What does a backslash in C++ mean?

What does this code: (especially, what does a backslash '' ? ) s23_foo += s8_foo * s16_bar; I added the ... be relevant. Thanks for your help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Portable data reinterpretation

I want to reinterpret data of one type as another type in a portable way (C99). I am not talking about ... reinterpret data in a portable way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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323 views

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Javascript string comparison fails when comparing unicode characters

I want to compare two strings in JavaScript that are the same, and yet the equality operator == returns false. One ... ://jsfiddle.net/GWZ8j/1/. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

selenium - how to disable cookies using webdriver for Chrome and FireFox JAVA

I want launch browsers(FF, CHROME) for test with disabled cookies, I tried this: service = new ChromeDriverService.Builder ... it's not work... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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501 views

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Batch Color per line

In batch, can you have different colors per line. For example if you had a batch file say "Hello" "How ... both the background and the text) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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295 views

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c++ - How to ensure that the template parameter is a subtype of a desired type?

I have a template class, what I want to do are the following Make sure that an object is instantiated only if the ... up my C++ learning rate. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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