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Objective-C Split()?
...]
and you can access each with NSString *comp1 = arrayOfComponents[0];
(https://developer.apple.com/documentation/foundation/nsstring/1413214-componentsseparatedbystring)
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How can I append a string to an existing field in MySQL?
...ld to add full URL, ignoring null fields:
UPDATE test SET image = CONCAT('https://my-site.com/images/',image) WHERE image IS NOT NULL;
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express 4.0 , express-session with odd warning message
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I found issue useful:
https://github.com/expressjs/session/issues/56
app.use(session({
secret: cookie_secret,
resave: true,
saveUninitialized: true
}));
shar...
what does npm -D flag mean?
...
The -D flag is the shortcut for: --save-dev. Source: https://docs.npmjs.com/cli/install
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Is there a date format to display the day of the week in java?
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How can I install from a git subdirectory with pip?
...velop branch a month ago. The syntax is the following:
pip install -e git+https://git.repo/some_repo.git#egg=version_subpkg&subdirectory=repo # install a python package from a repo subdirectory
We probably have to wait for a while until it gets merged to master and is distributed.
UPDATE: Th...
App Inventor 2 MQTT拓展入门（保姆级教程） · App Inventor 2 中文网
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准备工作
APPINVENTOR测试平台：AppInventor2中文网（https://www.fun123.cn）
MQTT拓展下载：MQTT中文文档页面进行下载。
MQTT测试平台：
中文平台推荐：bemfa.com 界面简洁，对入门者友好。当然也可以选择...
Using git to get just the latest revision
...a history truncated to the latest commit.
For example:
git clone --depth 1 https://github.com/user/repo.git
To also initialize and update any nested submodules, also pass --recurse-submodules and to clone them shallowly, also pass --shallow-submodules.
For example:
git clone --depth 1 --recurse-sub...
Why does Dijkstra's algorithm use decrease-key?
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Capistrano error tar: This does not look like a tar archive
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