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How to do a recursive find/replace of a string with awk or sed?
...ames.
\( -type d -name .git -prune \) is an expression which completely skips over all directories named .git. You could easily expand it, if you use SVN or have other folders you want to preserve -- just match against more names. It's roughly equivalent to -not -path .git, but more efficient, beca...
How do I start Mongo DB from Windows?
...ith authentication.
mongo --username abcd --password abc123 --host server_ip_or_dns --port 27017
That's it !!!
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Tainted canvases may not be exported
...rom localStorage instead of loading from file or any url, then did some manipulation to it like adding a text. Then tried to sotre back it to localStorage using toDataURL(). But it shows "Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported". In this case I am n...
How to take backup of a single table in a MySQL database?
....gz) format
Credit: John McGrath
Dump
mysqldump db_name table_name | gzip > table_name.sql.gz
Restore
gunzip < table_name.sql.gz | mysql -u username -p db_name
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Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
...y easy to wrap if you want to push it up more levels; you could create a façade around the async methods and wrap them with a single method that uses an Action<T> as a callback, for example. If you mean that the choice of whether to use a worker thread or I/O thread happens at the lowest lev...
多媒体组件 · App Inventor 2 中文网
...像、拍视频发帖、自定义拍照界面
行车记录、定时监控
两种模式都支持画质/码率/帧率设置、暂停录制 / 恢复录制、取消录制，
结束后都触发录制完成返回视频路径。下面每个属性、事件、方法都注明了适用的模式...
Run a PostgreSQL .sql file using command line arguments
... slashes = use forward slashes instead, and no quote on path. \i c:/dev/script.sql
– Dave
Oct 28 '19 at 1:01
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What are Java command line options to set to allow JVM to be remotely debugged?
... is selecting a random port number. This might be useful if you start multiple nodes within the same java command line.
– asbachb
Jul 1 at 14:57
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What's the name for hyphen-separated case?
...t all.
Additionally, kebab-case has entered the lexicon of several javascript code libraries, e.g.:
https://lodash.com/docs/#kebabCase
https://www.npmjs.com/package/kebab-case
https://vuejs.org/v2/guide/components-props.html#Prop-Casing-camelCase-vs-kebab-case
However, there are still other ter...
App Inventor 2 获取手机电池电量与电源状态检测教程 · App Inventor 2 中文网
... App 时，获取设备电池信息是一项常见需求。例如，电量监控类 App、需要根据电量调整行为的省电型 App、或者在后台运行时提醒用户及时充电的工具类 App。
App Inventor 2 内置组件中没有电池传感器（Sensors 分类下不包含电池相关...