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Python: most idiomatic way to convert None to empty string?
What is the most idiomatic way to do the following?
16 Answers
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How to easily map c++ enums to strings
...gs from a text file and generate a .h file with the static char at compile time. ="Write programs to write programs"
– Martin Beckett
Mar 5 '09 at 15:39
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What's the difference between the Dependency Injection and Service Locator patterns?
... But how do you handle the case where you have to create objects during runtime? If you create them manually with "new" you cannot make use of DI. If you call the DI framework for help, you're breaking the pattern. So what options are left?
– Boris
Apr 10 '13 a...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...e combined with the second technique if the CSS can't be prepared ahead of time:
var str = "bar";
document.styleSheets[0].addRule('p:before', 'content: attr(data-before);');
$('p').on('click', function () {
$(this).attr('data-before', str);
});
var str = "bar";
document.styleSheets[0...
Which way is best for creating an object in JavaScript? Is `var` necessary before an object property
... you happen to have all the properties you wish to set on hand at creation time.
For setting properties later, the NewObject.property1 syntax is generally preferable to NewObject['property1'] if you know the property name. But the latter is useful when you don't actually have the property's name a...
In C#, What is a monad?
... got as input", so that we don't need to explicitly specify socket lots of times:
new socket() >>= bind(...) >>= connect(...) >>= send(...);
The formal definition is a bit more complicated since you have to worry about how to get the result of one function as an input to the nex...
Synchronization vs Lock
...d helps protect me from bugs in my code, but those same advantages are sometimes hindrances in more complex scenarios. Its these more complex scenarios that the concurrent package was created to help address. But using this higher level constructs requires more explicit and careful management in the...
How do I center align horizontal menu?
... The solution works great and I'm sorry to ask this after such a long time, but what if I have a css drop down? I can't use overflow:hidden in the parent then. But it'll still overflow like here: homeafrika.com .
– Samia Ruponti
Mar 28 '12 at 18:26
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Create objective-c class instance by name?
...or otherwise using a class that doesn't exist. You won't find out until runtime if you make that error. Instead, if you use the built-in objective-c type of Class to create a variable, then the compiler will verify that the class exists.
For example, in your .h:
@property Class NameOfClass;
and ...
How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
...ules that don't allow all objects in a collection to get saved at the same time.
– Alex Marshall
Nov 19 '10 at 0:35
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