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It is more efficient to use if-return-return or if-else-return?

...eturn statement terminates the execution of the current function, the two forms are equivalent (although the second one is arguably more readable than the first). The efficiency of both forms is comparable, the underlying machine code has to perform a jump if the if condition is false anyway. Note...
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Should I use a class or dictionary?

...er want to add some code? Where would your __init__ code go? Classes are for bundling related data (and usually code). Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for...
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When do we need to set ProcessStartInfo.UseShellExecute to True?

...of the windows ShellExecute function vs the CreateProcess function - the short answer is that if UseShellExecute is true then the Process class will use the ShellExecute function, otherwise it will use CreateProcess. The longer answer is that the ShellExecute function is used to open a specified pro...
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How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat

Imagine a simple unsorted list with some <li> items. Now, I have defined the bullets to be square shaped via list-style:square; However, if I set the color of the <li> items with color: #F00; then everything becomes red! ...
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RESTful Authentication

What does RESTful Authentication mean and how does it work? I can't find a good overview on Google. My only understanding is that you pass the session key (remeberal) in the URL, but this could be horribly wrong. ...
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How do I expand the output display to see more columns of a pandas DataFrame?

Is there a way to widen the display of output in either interactive or script-execution mode? 19 Answers ...
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What are the most common naming conventions in C?

... The most important thing here is consistency. That said, I follow the GTK+ coding convention, which can be summarized as follows: All macros and constants in caps: MAX_BUFFER_SIZE, TRACKING_ID_PREFIX. Struct names and typedef's in came...
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Why does direction of index matter in MongoDB?

...me way and uses it as the key in a BTree. When finding single items - The order of the nodes in the tree is irrelevant. If you are returning a range of nodes - The elements close to each other will be down the same branches of the tree. The closer the nodes are in the range the quicker they can b...
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What is the difference between .text, .value, and .value2?

... .Text gives you a string representing what is displayed on the screen for the cell. Using .Text is usually a bad idea because you could get #### .Value2 gives you the underlying value of the cell (could be empty, string, error, number (double) or boolean) .Value gives you the same as .Value2 e...
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Converting from a string to boolean in Python?

... expect to accept as representing true, so you can do this: s == 'True' Or to checks against a whole bunch of values: s.lower() in ['true', '1', 't', 'y', 'yes', 'yeah', 'yup', 'certainly', 'uh-huh'] Be cautious when using the following: >>> bool("foo") True >>> bool("") Fal...