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Get the current first responder without using a private API
...ation sharedApplication] sendAction:@selector(resignFirstResponder) to:nil from:nil forEvent:nil];
This should be more effective than even [self.view.window endEditing:YES].
(Thanks to BigZaphod for reminding me of the concept)
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What is the most frequent concurrency issue you've encountered in Java? [closed]
...olean. It solves all the problems of the non-volatile, while shielding you from the JMM issues.
– Kirk Wylie
Jan 20 '09 at 23:59
39
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Run batch file as a Windows service
... running. I am hence forced to have this batch file running and not logout from the Windows server.
8 Answers
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How to create a custom string representation for a class object?
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Ignacio Vazquez-Abrams' approved answer is quite right. It is, however, from the Python 2 generation. An update for the now-current Python 3 would be:
class MC(type):
def __repr__(self):
return 'Wahaha!'
class C(object, metaclass=MC):
pass
print(C)
If you want code that runs acr...
Reference: Comparing PHP's print and echo
...non-zero values (positive and negative) are truthy values and this derives from PHP's Perl legacy.
But, if this is the case, then one may wonder why echo take multiple arguments whereas print can only handle one. For this answer we need to turn to the parser, specifically the file zend_language_...
Parcelable encountered IOException writing serializable object getactivity()
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@user2896762: In general, on Android, start from the bottom of the stack trace and work your way up to the last Caused by line. That's usually going to point to the specific problem. All the other stanzas of the stack trace represent wrapped exceptions around the "real...
Why do we need break after case statements?
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Java comes from C and that is the syntax from C.
There are times where you want multiple case statements to just have one execution path.
Below is a sample that will tell you how many days in a month.
class SwitchDemo2 {
public st...
How do I run msbuild from the command line using Windows SDK 7.1?
... 4.0 support on our CI server. I've installed .NET 4.0, and the .NET tools from the Windows 7.1 SDK.
7 Answers
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Pretty printing XML in Python
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Not a fan of redefining xml there from being a module to the output object, but the method otherwise works. I'd love to find a nicer way to go from the core etree to pretty printing. While lxml is cool, there are times when I'd prefer to keep to the core if I...
Backporting Python 3 open(encoding=“utf-8”) to Python 2
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A note from the porting howto: "Do not bother with the outdated practice of using codecs.open() as that’s only necessary for keeping compatibility with Python 2.5." docs.python.org/3/howto/pyporting.html
– Al...