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自定义下载器扩展:个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...

... notification message for download complete notification. Get a list of all download IDs Get the ASD path of your app Get the current download ID. Cancel all ongoing downloads. This block converts the bytes into KB and MB automatically, You can use own calculation for converting bytes...
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What's the best way to get the last element of an array without deleting it?

...lt;<option code>>s and <<input code>>s will be run on all versions of PHP. For each test run the following code snippet is used: <<input code>> error_reporting(E_ALL); <<option code>> error_reporting(0); $before=microtime(TRUE); for($i=0;$i<100;$i+...
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How do I check if a given string is a legal/valid file name under Windows?

...than ASCII space) Any other character that the target file system does not allow (say, trailing periods or spaces) Any of the DOS names: CON, PRN, AUX, NUL, COM0, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT0, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9 (and avoid AUX.txt, etc)...
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Exception messages in English?

... This issue can be partially worked around. The Framework exception code loads the error messages from its resources, based on the current thread locale. In the case of some exceptions, this happens at the time the Message property is accessed. For...
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Ruby: How to turn a hash into HTTP parameters?

...uery # => "a=a&b[c]=c&b[d]" The gem is 'addressable' gem install addressable share | improve this answer | follow | ...
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How to return multiple lines JSX in another return statement in React?

... Try to think of the tags as function calls (see docs). Then the first one becomes: {[1,2,3].map(function (n) { return React.DOM.p(...); })} And the second one: {[1,2,3].map(function (n) { return ( React.DOM.h3(...) React.DOM.p(...) ) })} It sh...
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Missing Push Notification Entitlement

...t means your app is configured correctly in the Apple Provisioning Portal. All you need to do is delete the App Store distribution profile on your local machine, then re-download and install the distribution profile from the Provisioning Portal. This new one should contain the aps-environment key. ...
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How can I make a time delay in Python? [duplicate]

...print less frequently than that, because it takes time to print and handle all the buffers that entails (possibly doing a kernel context switch), and to register the alarm signal, but... yeah. A little under once per minute. – Parthian Shot Jun 17 '15 at 19:29 ...
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“Java DateFormat is not threadsafe” what does this leads to?

...ava DateFormat not being thread safe and I understand the concept theoretically. 11 Answers ...
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Plotting a list of (x, y) coordinates in python matplotlib

... x, y = zip(*li) is really elegant python code! i've been doing the more straight-forward two lines of code with a list compression on each line (like the original question) – Trevor Boyd Smith Aug 23 '18 at ...