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App Inventor 2 构建纯血鸿蒙 HarmonyOS App · App Inventor 2 中文网
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生成 .p12 密钥库文件和 .csr 证书请求文件
⚠️ 重要：.p12 密钥库文件是签名的核心凭证，请务必安全保存！丢失后无法恢复...
What is the command to truncate a SQL Server log file?
...
if I remember well... in query analyzer or equivalent:
BACKUP LOG databasename WITH TRUNCATE_ONLY
DBCC SHRINKFILE ( databasename_Log, 1)
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Can I see changes before I save my file in Vim?
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http://vim.wikia.com/wiki/Diff_current_buffer_and_the_original_file
Here is a function and command to see a diff between the currently edited file and its unmodified version in the filesystem. Just put this in your vimrc or in the plugin directory,...
“Wrong type argument: commandp” error when binding a lambda to a key
...oned).
By the way, you will notice that I used the (kbd) function for specifying the key-binding. That function is immensely useful since you can put the key-bindings almost literally.
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impr...
Get selected value of a dropdown's item using jQuery
...ElementById("ddlid");
var text=selID.options[selID.selectedIndex].text;
If you need to access the value and not the text then try using val() method instead of text().
Check out the below fiddle links.
Demo1 | Demo2
sha...
How to strike through obliquely with css
... :before but don't support CSS transforms.
The angle of rotation is fixed. If the text is longer, the line will not touch the corners of the text. Be mindful of this.
CSS
.strikethrough {
position: relative;
}
.strikethrough:before {
position: absolute;
content: "";
left: 0;
top: 50%;
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How may I reference the script tag that loaded the currently-executing script?
...t;/script>
Benefits
Simple and explicit. Reliable.
Don't need to modify the script tag
Works with asynchronous scripts (defer & async)
Works with scripts inserted dynamically
Problems
Will not work in older browsers and IE.
Does not work with modules <script type="module">
2. ...
Keep the window's name fixed in tmux
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StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
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What does “Receiver type 'CALayer' for instance message is a forward declaration” mean here?
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StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
...
How do I update the password for Git?
...ion (pull, clone, push, etc.).
For Windows, it's the same command with a different argument:
git config --global credential.helper wincred
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