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How to only get file name with Linux 'find'?
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-exec and -execdir are slow, xargs is king.
$ alias f='time find /Applications -name "*.app" -type d -maxdepth 5'; \
f -exec basename {} \; | wc -l; \
f -execdir echo {} \; | wc -l; \
f -print0 | xargs -0 -n1 basename | wc -l; \
f -print0 | xargs -0 -n1 -P 8 basename | wc -l; \
f -print0 | ...
Run/install/debug Android applications over Wi-Fi?
I thought there was a way to test your applications in development over Wi-Fi. Is this possible?
34 Answers
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Delete specified file from document directory
I want to delete an image from my app document directory. Code I have written to delete image is:
10 Answers
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When would I use XML instead of SQL? [closed]
I've been working on database-driven web applications for a few years now and recently took on a project involving a CMS that is XML-capable. This has led me to think about the usage of XML/XSLT in general and in what situations it would be more useful than the approach I've always used, which is st...
HC-05 蓝牙模块开发 - 创客硬件开发 - 清泛IT社区，为创新赋能！
它有六个引脚，引脚的作用如下：
通过厂商App连接串口测试，发现HC-05模块是经典蓝牙2.0，并不支持蓝牙5.0（低功耗BLE），它需要配对码进行配对，App Inventor 2 中使用“蓝牙客户端”组件，而非BLE拓展，必须在手机设置中...
Shiro vs. SpringSecurity [closed]
...ing environments, most of the Shiro developers use Spring as their primary application environment. That means Shiro's Spring integration is superb and it all works exceptionally well. You can rest assured that if you're writing a Spring app, you'll have a well-rounded security experience.
For ex...
Deleting all records in a database table
...ow do I delete all records in one of my database tables in a Ruby on Rails app?
7 Answers
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js/php判断终端类型：PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...
...r = {
versions: function () {
var u = navigator.userAgent, app = navigator.appVersion;
return { //移动终端浏览器版本信息
trident: u.indexOf('Trident') > -1, //IE内核
presto: u.indexOf('Presto') > -1, //opera内核
webKit: u.indexOf('App...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...when the CPU is operating in this mode; these actions are not available to application code. An example of such an action might be manipulation of the MMU to gain access to the address space of another process. Normally, user-mode code cannot do this (with good reason), although it can request sha...
Android Studio - debug keystore
...ep 2 with the following information:
keystore=C:\\path\\to\\keystore\\yourapps.keystore
keystore.password=your_secret_password
4) Modify your gradle.build file to point to yourprojectname.properties file to use the variables.
if(project.hasProperty("yourprojectname.properties")
&&...