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objective c - iPhone - What are reuseIdentifiers (UITableViewCell)?

From the official documentation: The reuse identifier is associated with a UITableViewCell object that the table-view's ... place where it is? See Question&Answers more detail:os...

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

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java - Why does the (Oracle) JVM have a fixed upper limit for memory usage (-Xmx)?

In the spirit of question Java: Why does MaxPermSize exist?, I'd like to ask why the Oracle JVM uses ... programs / runtime environments?". See Question&Answers more detail:os...

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

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How do you make a vertical text UILabel and UITextView for iOS in Swift?

If you came to this question based on the title but are not interested in Mongolian, you might be looking ... uses WebKit for their UITextView 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 - How to draw a trapezium/trapezoid with css3?

When you go to the page http://m.google.com using Mobile Safari, you will see the beautiful bar on the top ... to achieve it please tell me. See Question&Answers more detail:os...

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

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java - How to send cookies with selenium webdriver?

Every time when I run my test first step is log in and than I get to desire page. If run this ... Chrome and Firefox drivers, java language. See Question&Answers more detail:os...

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

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ruby on rails - How do you POST to a URL in Capybara?

Just switched from Cucumber+Webrat to Cucumber+Capybara and I am wondering how you can POST content to a URL in Capybara ... a POST to the URL? See Question&Answers more detail:os...

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

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python - How to find common elements in list of lists?

I'm trying to figure out how to compare an n number of lists to find the common elements. For example: ... any help would be highly 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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c# - System.ValueType Understanding

I tried to create a ValueType. I understand that creating a struct would help me. I also tried to ... part of Common Language Specification? See Question&Answers more detail:os...

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

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Type to use to represent a byte in ANSI (C89/90) C?

Is there a standards-complaint method to represent a byte in ANSI (C89/90) C? I know that, most often, a char ... byte" (sizeof(x) == 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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java - javac source and target options

I have seen the compile options like discussed in Which JDK's distributions can run `javac -source 1.6 -target 1.5 ... want to be able to run on 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 - How can I locate the default style sheet for a browser?

I would like to see the specific style elements that are used in the default stylesheet for the various browsers ... can find this information? See Question&Answers more detail:os...

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

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rails built in datetime validation

Does rails do any validation for datetime? I found a plugin http://github.com/adzap/validates_timeliness/tree/master, but ... in out of the box. See Question&Answers more detail:os...

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

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dom - Have any browsers implemented the DOM3 EventListenerList?

The answer was "no" back in March 2010: Browser EventListenerList Implementation I'm wondering if there has been ... browser might support it? See Question&Answers more detail:os...

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

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regex - Why can regular expressions have an exponential running time?

It is possible to write a Regex which needs in some cases exponential running time. Such an example is (aa|aa ... why they compute so slow? See Question&Answers more detail:os...

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

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android - How to completely kill/remove/delete/stop an AsyncTask

I made an app that downloads videos from our server. The issue is: When i cancel the downloading i call: myAsyncTask. ... 0, count); } 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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how to call a java method using a variable name?

Say I have Method1(void), Method2(void)... Is there a way i can chose one of those with a variable? String MyVar=2; MethodMyVar(); See Question&Answers more detail:os...

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

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jquery - How to determine the best "framerate" (setInterval delay) to use in a JavaScript animation loop?

When writing a JavaScript animation, you of course make a loop using setInterval (or repeated setTimeout). But what ... feature is pretty neat! See Question&Answers more detail:os...

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

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java - Passing JVM arguments to Tomcat when running as a service?

I need to pass a couple of JVM arguments to the JVM which Tomcat is running in so that my application can ... Dev machine 2003 on client server) See Question&Answers more detail:os...

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

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CSS margin-top of <h1> affects parent's margin

I have look for a while now on this problem and have not found a straight answer. When adding a margin ... demo of the solution 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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jsf - Using a "Please select" f:selectItem with null/empty value inside a p:selectOneMenu

I'm populating a <p:selectOneMenu/> from database as follows. <p:selectOneMenu id="cmbCountry" value="#{bean. ... but it made no difference. See Question&Answers more detail:os...

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

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r - displaying a pdf from a local drive in shiny

I'm still new to r and shiny, and i'm stumped with what should otherwise be simple logic. I am trying to ... are already on a local drive.. 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 - Detect if an alert or confirm is displayed on a page

Is there a way using JavaScript or jQuery to detect if a confirm or alert box is being displayed? See Question&Answers more detail:os...

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

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Stream from a mongodb cursor to Express response in node.js

I am toying around with all the fancy node.js/mongodb/express platforms, and stumbled across a problem: app.get('/ ... 'data' and 'end' events? See Question&Answers more detail:os...

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

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1000 digits of pi in Python

I have been thinking about this issue and I can't figure it out. Perhaps you can assist me. The problem is my ... get it to shoot out that code. See Question&Answers more detail:os...

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

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How can I extract keywords from a Python format string?

I want to provide automatic string formatting in an API such that: my_api("path/to/{self.category}/{self.name}", ... " => 'keyword1', 'keyword2' 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 - Finding all the unique permutations of a string without generating duplicates

Finding all the permutations of a string is by a well known Steinhaus-Johnson-Trotter algorithm. But if the ... In the most efficient 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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560 views

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events - What does it mean to "Capture the mouse" in WPF?

On System.Windows.UIElement there is a CaptureMouse() and a paired ReleaseMouseCapture() method. In this WPF DragDrop ... of what it means. See Question&Answers more detail:os...

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

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Get value of an input box using Selenium (Python)

I am trying to extract the text in an input box, <input type="text" name="inputbox" value="name" class=" ... ' object has no attribute 'getText' See Question&Answers more detail:os...

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

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