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Is it a good practice to use try-except-else in Python?
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"I do not know if it is out of ignorance, but I do not like that
kind of programming, as it is using exceptions to perform flow control."
In the Python world, using exceptions for flow control is common and normal.
Even the Python core developers use exc...
Replace first occurrence of string in Python
...his allows you to specify a count:
regex.sub('', url, 1)
(Note that the order of arguments is replacement, original not the opposite, as might be suspected.)
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Why array implements IList?
...x, and IList/IList<T> is are the only collection interfaces that support this. So perhaps your real question is "Why is there no interface for constant collections with indexers?" And to that I have no answer.
There are no readonly interfaces for collections either. And I'm missing those even...
Appending HTML string to the DOM
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Use insertAdjacentHTML if it's available, otherwise use some sort of fallback. insertAdjacentHTML is supported in all current browsers.
div.insertAdjacentHTML( 'beforeend', str );
Live demo: http://jsfiddle.net/euQ5n/
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ADB Android Device Unauthorized
...plications on Samsung Galaxy i9001 (with CyanogenMod - Android 4.4.2). It worked fine before reinstallation.
35 Answers
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Remove specific commit
I was working with a friend on a project, and he edited a bunch of files that shouldn't have been edited. Somehow I merged his work into mine, either when I pulled it, or when I tried to just pick the specific files out that I wanted. I've been looking and playing for a long time, trying to figure o...
Highlight label if checkbox is checked
Is there a non-javascript way of changing the color of a label when the corresponding checkbox is checked?
4 Answers
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Custom HTTP Authorization Header
I was wondering if it's acceptable to put custom data in an HTTP authorization header. We're designing a RESTful API and we may need a way to specify a custom method of authorization. As an example, let's call it FIRE-TOKEN authentication.
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C# Object Pooling Pattern implementation
...anyone have a good resource on implementing a shared object pool strategy for a limited resource in vein of Sql connection pooling? (ie would be implemented fully that it is thread safe).
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Why can lambdas be better optimized by the compiler than plain functions?
... them to a function template will instantiate a new function specifically for that object. The compiler can thus trivially inline the lambda call.
For functions, on the other hand, the old caveat applies: a function pointer gets passed to the function template, and compilers traditionally have a lo...