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MLKitTranslator 拓展：离线翻译 · App Inventor 2 中文网
...认 en）、一个输入框、一个按钮、一个标签。
when 按钮_翻译.Click() {
标签1.Text = "翻译中…"
MLKitTranslator1.Translate(文本输入框_输入.Text)
}
when MLKitTranslator1.GotTranslation(originalText, translatedText) {
标签1.Text = translatedText
}
when MLKitTran...
What is a regular expression which will match a valid domain name without a subdomain?
...many valid edge cases that I have missed):
^((?!-))(xn--)?[a-z0-9][a-z0-9-_]{0,61}[a-z0-9]{0,1}\.(xn--)?([a-z0-9\-]{1,61}|[a-z0-9-]{1,30}\.[a-z]{2,})$
When choosing a domain validation regex, you should see if the domain matches the following:
xn--stackoverflow.com
stackoverflow.xn--com
stackov...
How to escape a JSON string to have it in a URL?
...
encodeURIComponent(JSON.stringify(object_to_be_serialised))
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调研结论：File组件写log文件大小有上限吗？会无限增长吗？（附日志轮转方...
...案1：按日期分文件（最简单，推荐）
文件名带日期：log_20260922.txt。每天一个新文件，天然有上限，历史日志好定位。用 Clock 组件取当前日期拼进文件名即可。
方案2：按行数/条数轮转
App里维护一个计数器变量，每写一条+1...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
...es it slow.
assertFalse(%HasFastProperties(proto));
DoProtoMagic(proto, set__proto__);
// Making it a prototype makes it fast again.
assertTrue(%HasFastProperties(proto));
Reading and running this test shows us that this optimization indeed works in v8. However - it would be nice to see how.
If we ...
Get the first key name of a javascript object [duplicate]
...
If you decide to use Underscore.js you better do
_.values(ahash)[0]
to get value, or
_.keys(ahash)[0]
to get key.
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Accessing private member variables from prototype-defined functions
...ns they're going to be public. So we just stick to naming conventions for _private fields.
Don't bother mixing Closures with Prototypes
I think you shouldn't mix closure variables with prototype methods. You should use one or the other.
When you use a closure to access a private variable, pro...
How to set a value of a variable inside a template code?
...
If you need to declare a list, use make_list. docs.djangoproject.com/en/1.9/ref/templates/builtins/#make-list
– MrValdez
Jul 1 '16 at 7:55
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VIM Disable Automatic Newline At End Of File
... for use in a gitattributes file.
To install this filter, save it as noeol_filter somewhere in your $PATH, make it executable, and run the following commands:
git config --global filter.noeol.clean noeol_filter
git config --global filter.noeol.smudge cat
To start using the filter only for yourse...
How do I get only directories using Get-ChildItem?
...tainer. You want to select only those items.
Get-ChildItem -Recurse | ?{ $_.PSIsContainer }
If you want the raw string names of the directories, you can do
Get-ChildItem -Recurse | ?{ $_.PSIsContainer } | Select-Object FullName
For PowerShell 3.0 and greater:
dir -Directory
...