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What's the main difference between int.Parse() and Convert.ToInt32
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If you've got a string, and you expect it to always be an integer (say, if some web service is handing you an integer in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), since it allows you mor...
Resize image proportionally with CSS? [duplicate]
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edited Jun 13 '17 at 20:51
Zanon
20.3k1414 gold badges9595 silver badges106106 bronze badges
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Guaranteed lifetime of temporary in C++?
...vide a guarantee for the lifetime of a temporary variable that is created within a function call but not used as a parameter? Here's an example class:
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MVC Razor dynamic model, 'object' does not contain definition for 'PropertyName'
Using MVC 3 with Razor view engine.
I have this View:
8 Answers
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Visual Studio immediate window command for Clear All
... window, you can use >cls, which is a predefined command alias to >Edit.ClearAll.
The MSDN article lists all predefined aliases and you can define your own, too. (For VS 2010 and earlier, custom aliases are described in a separate article, though.) Scanning through, there's a whole slew of th...
Python (and Python C API): __new__ versus __init__
...m about to ask seems to be a duplicate of Python's use of __new__ and __init__? , but regardless, it's still unclear to me exactly what the practical difference between __new__ and __init__ is.
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Fastest way to determine if record exists
As the title suggests... I'm trying to figure out the fastest way with the least overhead to determine if a record exists in a table or not.
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Create directories using make file
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This would do it - assuming a Unix-like environment.
MKDIR_P = mkdir -p
.PHONY: directories
all: directories program
directories: ${OUT_DIR}
${OUT_DIR}:
${MKDIR_P} ${OUT_DIR}
This would have to be run in the top-level direct...
Usage of __slots__?
What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not?
11 A...
Putting a simple if-then-else statement on one line [duplicate]
...lly like the terseness of the syntax. However, is there an easier way of writing an if - then - else statement so it fits on one line?
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