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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
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I use a for loop to iterate the string and use charAt() to get each character to examine it. Since the String is implemented with an array, the charAt() method is a constant time operation.
String s = "...stuff...";
for (int...
Is it possible to run one logrotate check manually?
...run one iteration of logrotate manually without scheduling it on some interval?
8 Answers
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Check if property has attribute
Given a property in a class, with attributes - what is the fastest way to determine if it contains a given attribute? For example:
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moving committed (but not pushed) changes to a new branch after pull
I've done a fair bit of work ("Your branch is ahead of 'origin/master' by 37 commits.") which really should have gone into its own branch rather than into master . These commits only exist on my local machine and have not been pushed to origin , but the situation is complicated somewhat in that o...
分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...下面的这么几个情况：
1）容灾：数据不丢、结点的Failover
2）数据的一致性：事务处理
3）性能：吞吐量 、 响应时间
前面说过，要解决数据不丢，只能通过数据冗余的方法，就算是数据分区，每个区也需要进行数据冗余处理...
Check if a string is html or not
...ve a certain string for which I want to check if it is a html or not. I am using regex for the same but not getting the proper result.
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Deciding between HttpClient and WebClient
Our web app is running in .Net Framework 4.0. The UI calls controller methods through ajax calls.
7 Answers
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Automatic popping up keyboard on start Activity
I got a relative simple question. I have an activity with a lot of EditText's in them. When I open the activity it automatically focusses to the first EditText and displays the virtual keyboard.
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ASP.NET MVC Html.ValidationSummary(true) does not display model errors
I have some problem with Html.ValidationSummary. I don't want to display property errors in ValidationSummary. And when I set Html.ValidationSummary(true) it does not display error messages from ModelState. When there is some Exception in controller action on string
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Provisioning Profiles menu item missing from Xcode 5
After spending a whole day installing a fresh copy of Mac OS X v10.8 (Mountain Lion), Xcode 5, fixing provisioning profiles, certificates, creating new ones, I finally managed to get my applications running on my iPad again. The problem is that in Xcode 5 I don't have a menu item for Library ...