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We're switching from MooTools to jQuery at work. I have a coworker that told me never to use $ as the ... sign as my accessor? Only in certain circumstances? Question&Answers:os...

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

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iphone - Center text vertically in a UITextView

I want to center the text vertically inside a big UITextView that fills the whole screen - so that when there's ... . Can this be done? Thanks in advance! Question&Answers:os...

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

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528 views

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How to catch the fatal error: Maximum execution time of 30 seconds exceeded in PHP

I've been playing around with a system I'm developing and managed to get it to cause this: Fatal error: ... everyone seems to suggest upping the time allowed. Question&Answers:os...

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

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WPF Treeview Databinding Hierarchal Data with mixed types

I have a bit of a complex situation with WPF Treeview Binding. I have spent the last 2 days trying Google it, ... the code behind, but will if it is necessary. Question&Answers:os...

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

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Source of Android's lock screen

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

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memory management - MATLAB's Garbage Collector?

What is your mental model of it? How is it implemented? Which strengths and weaknesses does it have? ... itself when implementing linked list or MVC pattern. Question&Answers:os...

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

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c - How does strcmp() work?

I've been looking around a fair bit for an answer. I'm going to make a series of my own string functions like ... printf("Value: %d ", result); return 0; } Question&Answers:os...

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

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java - Maven: How to change path to target directory from command line?

Maven: How to change path to target directory from command line? (I want to use another target directory in some cases) Question&Answers:os...

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

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ios - why UITableViewAutomaticDimension not working?

Hi there is plenty of question answering the dynamic height for UITableViewCell of UITableView. However I find it weird ... label is not. and this is my cell Question&Answers:os...

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

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php - localhost vs. 127.0.0.1 in mysql_connect()

Does using localhost in mysql_connect() make the connection faster than using 127.0.0.1? What is the connection ... mysql_connect() function) ? Is it TCP/IP? Question&Answers:os...

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

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c++ - Making operator<< virtual?

I need to use a virtual << operator. However, when I try to write: virtual friend ostream & operator<<( ... be virtual How can I turn this operator virtual? Question&Answers:os...

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

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css - How can I determine what font a browser is actually using to render some text?

My CSS specifies "font-family: Helvetica, Arial, sans-serif;" for the whole page. It looks like Verdana is ... s a way to identify the actual rendering font. Question&Answers:os...

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

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java - Comparing strings by their alphabetical order

String s1 = "Project"; String s2 = "Sunject"; I want to compare the two above string by their alphabetic order ( ... . Does anyone know how to do that in Java? Question&Answers:os...

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

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android - Appcompatv7 - v21 Navigation drawer not showing hamburger icon

I am implementing the lollipop style navigation drawer with latest appcompat support library but the problem is the ... . Any help would be appreciated. Question&Answers:os...

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

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c++ - How to implode a vector of strings into a string (the elegant way)

I'm looking for the most elegant way to implode a vector of strings into a string. Below is the solution I'm using ... , s); } Is there any others out there? Question&Answers:os...

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

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Printing all environment variables in C / C++

How do I get the list of all environment variables in C and/or C++? I know that getenv can be used to read an environment variable, but how do I list them all? Question&Answers:os...

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

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syntax - Java: What does ~ mean

In this Java source code I have this line: if ((modifiers & ~KeyEvent.SHIFT_MASK) != 0) .... What does the tilde ~ mean? Question&Answers:os...

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

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Specify system property to Maven project

Is there a way ( I mean how do I ) set a system property in a maven project? I want to access a ... other users may run it from eclipse/idea/ whatever ) Question&Answers:os...

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

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1 answer

c# - Set up dot instead of comma in numeric values

I have new XmlDocument object, i.g. xml is created during my program... I want all numeric values in created xml ... and don't worry about this till the end? Question&Answers:os...

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

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c# - Web Api How to add a Header parameter for all API in Swagger

I searched for possible ways to add a request header parameter that would be added automatically to every method in ... () has to do something about it. Question&Answers:os...

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

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Android Studio 0.8.1 - how to use Facebook SDK?

I tried via import module but I'm always getting Error:(13, 0) Could not find property 'ANDROID_BUILD_MIN_SDK_VERSION ... SDK with the latest Android Studio... Question&Answers:os...

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

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macos - How to control the mouse in Mac using Python?

What would be the easiest way to move the mouse around (and possibly click) using Python on OS X? This is ... rapid prototyping, it doesn't have to be elegant. Question&Answers:os...

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

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86 views

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android - How to set a font for the Options menu?

When I create an Options Menu the items seem to default to the native "sans" font. When I look at ... typeface for Option Menu items? Thanks in advance. Question&Answers:os...

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

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877 views

1 answer

model view controller - Java - Learning MVC

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

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c++ - Is a pointer with the right address and type still always a valid pointer since C++17?

(In reference to this question and answer.) Before the C++17 standard, the following sentence was included ... compensate the deletion of the cited sentence? Question&Answers:os...

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

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macos - rails server fails to start with mysql2 using rvm & ruby 1.9.2-p0 on OSX 10.6.5

I'm getting the following error when I start rails server: $ rails server /Users/ssmith/.rvm/gems/ruby-1.9. ... it seems. Anyone have a solution to this? Question&Answers:os...

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

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142 views

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c# - Convert DataTable to CSV stream

Currently have a DataTable, but wish to stream it to the user via a WebHandler. FileHelpers has CommonEngine. ... can't create the class before hand. Question&Answers:os...

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

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288 views

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Register keyword in C++

What is difference between int x=7; and register int x=7; ? I am using C++. Question&Answers:os...

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

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