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Code snippet or shortcut to create a constructor in Visual Studio
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If you want to see the list of all available snippets:
Press Ctrl + K and then X.
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How do you launch the JavaScript debugger in Google Chrome?
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Windows: CTRL-SHIFT-J OR F12
Mac: ⌥-⌘-J
Also available through the wrench menu (Tools > JavaScript Console):
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IntelliJ show JavaDocs tooltip on mouse over
...tly highlighted in the lookup list. If this check box is not selected, use Ctrl+Q to show quick documentation for the element at caret.
Quick documentation window will automatically pop up with the specified delay in those cases only, when code completion has been invoked explicitly. For the automa...
Check image width and height before upload with Javascript
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function validateimg(ctrl) {
var fileUpload = $("#txtPostImg")[0];
var regex = new RegExp("([a-zA-Z0-9\s_\\.\-:])+(.jpg|.png|.gif)$");
if (regex.test(fileUpload.value.toLowerCase())) {
if (typeof (fileUploa...
如何让初始化全局变量为自己输入的数值 - App Inventor 2 中文网 - 清泛IT...
如何让初始化全局变量为自己输入的数值有几个注意点：
1、只让输入数字，用属性控制，用户无法输入数字之外的内容：
2、当输入内容发生变化，则将用户输入内容给全局变量：
3、除法一定要判断除数非零：
出现...
How can I save a screenshot directly to a file in Windows? [closed]
...P, one can press Alt-PrintScreen to copy an image of the active window, or Ctrl-PrintScreen to copy an image of the full desktop.
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How can I run just the statement my cursor is on in SQL Server Management Studio?
As a long time Toad for Oracle user, I have gotten used to hitting Ctrl+Enter and having just the statement under the cursor be executed.
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How to duplicate a whole line in Vim?
How do I duplicate a whole line in Vim in a similar way to Ctrl + D in IntelliJ IDEA/ Resharper or Ctrl + Alt + ↑ / ↓ in Eclipse ?
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Showing line numbers in IPython/Jupyter Notebooks
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CTRL - ML toggles line numbers in the CodeMirror area. See the QuickHelp for other keyboard shortcuts.
In more details CTRL - M (or ESC) bring you to command mode, then pressing the L keys should toggle the visibility of cu...
View a list of recent documents in Vim
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Start Vim and hit Ctrl-o-o to open previously edited file. Keep hitting o (while still pressing the Ctrl key) to cycle back through earlier files. See https://dev.to/jovica/3-little-known-but-useful-vim-tips-1pbg
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