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Copy all files with a certain extension from all subdirectories
...ension (all excel files) from all subdirectories to another directory. I have the following command:
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Removing a model in rails (reverse of “rails g model Title…”)
How can I completely remove this model? Thanks
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How can I update a single row in a ListView?
I have a ListView which displays news items. They contain an image, a title and some text. The image is loaded in a separate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is g...
postgresql - add boolean column to table set default
Is this proper postgresql syntax to add a column to a table with a default value of false
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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...保旧规则被清除，用以下命令清除旧规则：
iptables -F
(or iptables --flush)
2.设置chain策略
对于filter table，默认的chain策略为ACCEPT，我们可以通过以下命令修改chain的策略：
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ...
How do I convert a byte array to Base64 in Java?
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What is better: @SuppressLint or @TargetApi?
I have issues in my app regarding StrictMode and added the code snippet that basically disables the StrictModeHelper . However, Lint complains about setThreadPolicy() now and proposes to either add
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What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
I would like to see the structure of object in JavaScript (for debugging). Is there anything similar to var_dump in PHP?
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How can you check which options vim was compiled with?
I'd like to know which compilation options were used for my Vim binary. Is there any way to query this?
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