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How to remove a column from an existing table?
...p_rename 'new_MEN', 'MEN';
DROP TABLE old_MEN;
But be warned there is a window for data loss of inserted rows here between the first select and the last rename command.
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Sublime Text 3能用支持的插件推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个设置快捷键的文件，可以新建一个名字和后缀为Default (Windows).sublime-keymap的文件，添加以下代码，即可设置“删除多余空格”和“是否开启TrailingSpacer ”的快捷键了。
[
{ "keys": ["ctrl+alt+d"], "command": "delete_trailing_spaces"...
Is there a visual profiler for Python? [closed]
...nd includes a version called QCacheGrind which does run on Mac OS X and on Windows.
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Provisioning Profiles menu item missing from Xcode 5
...
If you like to manually manage your profiles (mostly to clean up):
Open Windows/Devices in Xcode 6
Select your device
Show Provisioning Profiles:
You'll get + and - buttons to add/remove profiles:
No longer supported ... you can also download Apple's iPhone Configuration Utility 3.5 for Mac...
Disable, but not uninstall Resharper 4.x onwards
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If you want to do it without clicking too much, open the Command Window (Ctrl + W, A) and type:
ReSharper_Suspend or ReSharper_Resume depending on what you want.
Or you can event set a keyboard shortcut for this purpose. In VS, go to Tools > Options > Environment > Keyboard.
Th...
How to solve “Fatal error: Class 'MySQLi' not found”?
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The trick here for me (on Windows) was to type in absolute path to extensions dir in "extension_dir".
– TechNyquist
Oct 15 '19 at 18:29
...
Enable the display of line numbers in Visual Studio
... You should check "Show All Settings" check box at the bottom of options window to see "line number" check box
– Janaka R Rajapaksha
May 21 '14 at 16:28
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Convert character to ASCII code in JavaScript
...lineBreak = ascii("\n");
I am using this for a small shortcut system:
$(window).keypress(function(event) {
if (event.ctrlKey && event.which == ascii("s")) {
savecontent();
}
// ...
});
And you can even use it inside map() or other methods:
var ints = 'ergtrer'.split('').m...
How do I move a file (or folder) from one folder to another in TortoiseSVN?
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In Windows Explorer, with the right-mouse button, click and drag the file from where it is to where you want it. Upon releasing the right-mouse button, you will see a context menu with options such as "SVN Move versioned file he...
Automatic popping up keyboard on start Activity
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You can add this to your Android Manifest activity:
android:windowSoftInputMode="stateHidden|adjustResize"
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