错误：[XSException] lib/XS.php(2447): Unknown internal error(S#600)
Why is Java's boolean primitive size not defined?
The Java Virtual Machine Specification says that there is limited support for boolean primitive types.
7 Answers
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Sleeping in a batch file
...o automate something on a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a better write-up of it here ,...
How to replace DOM element in place using Javascript?
I am looking to replace an element in the DOM.
For example, there is an <a> element that I want to replace with a <span> instead.
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...does things like implicit conversions between types (such as int to float, or pointer to void*), and it can also call explicit conversion functions (or implicit ones). In many cases, explicitly stating static_cast isn't necessary, but it's important to note that the T(something) syntax is equivalent...
How to implement the --verbose or -v option into a script?
I know the --verbose or -v from several tools and I'd like to implement this into some of my own scripts and tools.
9 A...
If I fork someone else's private Github repo into my account, is it going to appear in my account as
...me access to one of their private repo on Github. What I want to do is to fork that project into my own account, so I could make use of Github's pull request feature.
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Swift: #warning equivalent
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In the future, Apple devs may very well release a //WARNING: landmark, or provide the functionality for another named landmark.
To envoke this functionality with Swift in Xcode today however, you could do the following as outlined by Ben Dodson & Jeffrey Sambells:
Add a new Run Script to y...
check / uncheck checkbox using jquery? [duplicate]
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For jQuery 1.6+ :
.attr() is deprecated for properties; use the new .prop() function instead as:
$('#myCheckbox').prop('checked', true); // Checks it
$('#myCheckbox').prop('checked', false); // Unchecks it
For jQuery <...
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
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Stick to UIKit and subviews whenever you can. You can be more productive, and take advantage of all the OO mechanisms that should things easier to maintain. Use Core Graphics when you can't get the performance you need out of UIKit, or you know trying to hack together drawing effec...
URL encoding the space character: + or %20?
... (emphasis and link added):
When data that has been entered into HTML forms is submitted, the form field names and values are encoded and sent to the server in an HTTP request message using method GET or POST, or, historically, via email. The encoding used by default is based on a very early ver...