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“Inner exception” (with traceback) in Python?
My background is in C# and I've just recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python?
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Difference between onStart() and onResume()
...s always called after onStart() . Why can't it be the onResume() is invoked after onRestart() and onCreate() methods just excluding onStart() ? What is its purpose?
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How to hide 'Back' button on navigation bar on iPhone?
...o switch between views in my app. But some of the views shouldn't have 'Back' (the previous title) button. Any ideas about how to hide the back button?
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How can I use “” in javadoc without formatting?
...necessity to escape the signs appears only when they are used as angle brackets (i.e. in pairs), which in turn implies that they are part of some code (such as an XML tag, as in OP's case). In this situation, I believe a better solution is to wrap the entire XML snippet in {@code ...} tags, as Etien...
What is the difference between mutex and critical section?
...can be shared between processes, but always result in a system call to the kernel which has some overhead.
Critical sections can only be used within one process, but have the advantage that they only switch to kernel mode in the case of contention - Uncontended acquires, which should be the common ...
“git diff” does nothing
...omewhere, but I can't figure out where. Regular git commands appear to work fine, but "git diff" does nothing. To be safe, I removed external diff tools from my .gitconfig file. This was installed via MacPorts and is the lates version (1.7.2.2).
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Is Safari on iOS 6 caching $.ajax results?
Since the upgrade to iOS 6, we are seeing Safari's web view take the liberty of caching $.ajax calls. This is in the context of a PhoneGap application so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happenin...
Call by name vs call by value in Scala, clarification needed
...tion that accept Int arguments that are exactly the same except that one takes the argument in a call-by-value style (x: Int) and the other in a call-by-name style (x: => Int).
def callByValue(x: Int) = {
println("x1=" + x)
println("x2=" + x)
}
def callByName(x: => Int) = {
println("x1...
Changing an element's ID with jQuery
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Eran GalperinEran Galperin
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Resetting a setTimeout
...ign the result
var timeoutHandle = window.setTimeout(...);
// in your click function, call clearTimeout
window.clearTimeout(timeoutHandle);
// then call setTimeout again to reset the timer
timeoutHandle = window.setTimeout(...);
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