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实时开发、测试和调试工具 · App Inventor 2 中文网
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Android 日志和 adb（高级）
如果你在 Android 设备上遇到问题，有时可以通过检查 Android 日志来获取信息。 例如，如果你的应用程序空间不足，则会记录在日志中。 日志中的消息通常难以理解，但是你可以使用通知程序组件使你...
Basic HTTP and Bearer Token Authentication
...sible. But as also stated ""The user agent MUST choose to use one of the challenges with the strongest auth-scheme it understands and request credentials from the user based upon that challenge." So like i have written 2 days ago i needed to pass the token to a non-standard header which is absolutel...
scala vs java, performance and memory? [closed]
...y easy to use enormous amounts of memory without realizing it. This is usually very powerful, but occasionally can be annoying. For example, suppose you have an array of strings (called array), and a map from those strings to files (called mapping). Suppose you want to get all files that are in t...
LESS CSS nesting classes
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LESS is still awesome, especially the PHP LESS preprocessor, with its modified, more flexible syntax. But until there's some sort of commonly accepted syntax, such problems will arise from time to time. In my view, this one is LESS' only drawback.
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How to show loading spinner in jQuery?
...img src="images/spinner.gif" alt="Wait" />');
$('#message').load('index.php?pg=ajaxFlashcard', null, function() {
$("#myDiv").html('');
});
This will make sure your animation starts at the same frame on subsequent requests (if that matters). Note that old versions of IE might have difficultie...
How to handle multiple cookies with the same name?
...nger paths are listed before cookies with shorter paths.
NOTE: Not all user agents sort the cookie-list in this order, but this
order reflects common practice when this document was written, and,
historically, there have been servers that (erroneously) depended on
this order.
There i...
What is in your .vimrc? [closed]
Vi and Vim allow for really awesome customization, typically stored inside a .vimrc file. Typical features for a programmer would be syntax highlighting, smart indenting and so on.
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int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...or not, and you can reorder lines without fiddling about with commas. Basically it means there's a uniformity in how you treat the lines.
Now think about generating code. Something like (pseudo-code):
output("int a[] = {");
for (int i = 0; i < items.length; i++) {
output("%s, ", items[i]);
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What is the difference between an Azure Web Site and an Azure Web Role
...pps (formerly Web Sites):
Ability to run elevated startup scripts to install apps, modify registry settings, install performance counters, fine-tune IIS, etc.
Ability to split an app up into tiers (maybe Web Role for front end, Worker Role for backend processing) and scale independently
Ability to...
Is GridFS fast and reliable enough for production?
I develop a new website and I want to use GridFS as storage for all user uploads, because it offers a lot of advantages compared to a normal filesystem storage.
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