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StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
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2025-04-20
添加 getASCIICode、getASCIIChar
1.2
2025-09-02
添加 Replace、Index、Email、InetAddress 函数
截图
示例应用
参考
属性 Properties
...
Android Debug Bridge (adb) device - no permissions [duplicate]
... result something similar to this (ls -llh):
-r-sr-x---. 1 root user_name 1.2M Jan 8 11:42 adb
After that you will be able to run adb as a root, event though you'll be using your normal user account. You can run Eclipse as a normal user and your HTC should be discovered properly.
./adb devices ...
Problems with lib-icu dependency when installing Symfony 2.3.x via Composer
...ng to install symfony/symfony 2.3 Composer may try to install symfony/icu ~1.2 which would require you to install php-intl.
This is explicitly covered more extensively in the Symfony Intl Component's docs under "ICU and Deployment Problems".
...
How to validate an e-mail address in swift?
...urn emailPred.evaluate(with: email)
}
for versions of Swift earlier than 1.2:
func isValidEmail(email: String) -> Bool {
let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
if let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx) {
return emailPred...
What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
...ion number shown in the App Store; This must be a pure version number like 1.2.3
Bundle Version (CFBundleVersion)
This doesn't need to be a pure version number. This can be something like 12345 or 1.2.3 (Build 12345AB). This is shown in the About window for Mac OS X apps for example and is often m...
Are HTTPS URLs encrypted?
...oth ends to implement it) and there is no backwards compatibility with TLS 1.2 and below.
CloudFlare is doing it and you can read more about the internals here —
If the chicken must come before the egg, where do you put the chicken?
In practice this means that instead of transmitting the FQDN in p...
Is REST DELETE really idempotent?
... that you get.
http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.1.2 says:
Methods can also have the property of
"idempotence" in that (aside from
error or expiration issues) the
side-effects of N > 0 identical
requests is the same as for a single
request.
While you may ...
How do I calculate percentiles with python/numpy?
....42, 0.48, 0.54, 0.6, 0.66, 0.72, 0.78, 0.84, 0.9, 0.96, 1.02, 1.08, 1.14, 1.2, 1.26, 1.32, 1.38, 1.44, 1.5, 1.56, 1.62, 1.68, 1.74, 1.8, 1.86, 1.92, 1.98, 2.04, 2.1, 2.16, 2.22, 2.28, 2.34, 2.4, 2.46, 2.52, 2.58, 2.64, 2.7, 2.76, 2.82, 2.88, 2.94, 3.0, 3.06, 3.12, 3.18, 3.24, 3.3, 3.36, 3.42, 3.48,...
Python and pip, list all versions of a package that's available?
...go are available:
$ pip install yolk3k
$ yolk -V django
Django 1.3
Django 1.2.5
Django 1.2.4
Django 1.2.3
Django 1.2.2
Django 1.2.1
Django 1.2
Django 1.1.4
Django 1.1.3
Django 1.1.2
Django 1.0.4
yolk3k is a fork of the original yolk which ceased development in 2012. Though yolk is no longer maint...
Scale image to fit a bounding box
...)) + 'px';
container.style.width = (500 + 500 * Math.sin(timestamp * 1.2)) + 'px';
container.style.height = (500 + 500 * Math.sin(timestamp * 1.3)) + 'px';
window.requestAnimationFrame(step);
}
window.requestAnimationFrame(step);
#container {
outline: 1px solid black;
...