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iOS 5 fixed positioning and virtual keyboard
...mobile website which has a div pinned to the bottom of the screen via position:fixed. All works fine in iOS 5 (I'm testing on an iPod Touch) until I'm on a page with a form. When I tap into an input field and the virtual keyboard appears, suddenly the fixed position of my div is lost. The div now sc...
Java NIO FileChannel versus FileOutputstream performance / usefulness
...out if there is any difference in performance (or advantages) when we use nio FileChannel versus normal FileInputStream/FileOuputStream to read and write files to filesystem. I observed that on my machine both perform at the same level, also many times the FileChannel way is slower. Can I plea...
How do I get a background location update every n minutes in my iOS application?
I'm looking for a way to get a background location update every n minutes in my iOS application. I'm using iOS 4.3 and the solution should work for non-jailbroken iPhones.
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applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli
Which is the proper delegate to implement when an application is waking up from being in the background and you want it to prep it to be active?
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How to normalize a path in PowerShell?
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You can use a combination of pwd, Join-Path and [System.IO.Path]::GetFullPath to get a fully qualified expanded path.
Since cd (Set-Location) doesn't change the process current working directory, simply passing a relative file name to a .NET API ...
Check that an email address is valid on iOS [duplicate]
I am developing an iPhone application where I need the user to give his email address at login.
4 Answers
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Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...;DR: Don't like reading? Jump straight to the sample projects on GitHub:
iOS 8 Sample Project - Requires iOS 8
iOS 7 Sample Project - Works on iOS 7+
Conceptual Description
The first 2 steps below are applicable regardless of which iOS versions you are developing for.
1. Set Up & Add Const...
iOS 8 removed “minimal-ui” viewport property, are there other “soft fullscreen” solutions?
(This is a multi-part question, I will try my best to summarise the scenario.)
9 Answers
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Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...收盘价格的基础上加了一个Random来演示实时变化。这个在下载的代码中您可以看到。这里不多讲。定义好这些变量之后我们就可以开始编写代码了。
第一个要实现的方法是 ServerStart方法。在该方法中，我们将CallbackObject对象...
How to hide iOS status bar
In my iOS video app status bar is hidden in some view controllers. I have done this using following code.
21 Answers
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