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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
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Showing which files have changed between two revisions
...o branches:
$ git diff --name-status firstbranch..yourBranchName
There is more options to git diff in the official documentation.
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Sprintf equivalent in Java
...original Java authors (and .NET authors) decided that a static method made more sense in this situation, as you are not modifying the target, but instead calling a format method and passing in an input string.
Here is an example of why format() would be dumb as an instance method. In .NET (and prob...
In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...erence is negligible - massively, massively insignificant.
Which you find more readable is a different matter, however. It's subjective and will vary from person to person - so I suggest you find out what most people on your team like, and all go with that for consistency. Personally I find "" easi...
.NET - Get protocol, host, and port
...r will throw an exception. For most cases, I prefer my code to be a little more forgiving before aborting the task at hand.
– Jonathan Wood
Jan 2 '17 at 2:24
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Jquery live() vs delegate() [duplicate]
...').live('click', function() { ... });
delegate, however, uses a slightly more verbose syntax:
$('#containerElement').delegate('a.myClass', 'click', function() { ... });
This, however, seems to me to be much more explicit about what is actually happening. You don't realise from the live example...
Weird PHP error: 'Can't use function return value in write context'
...empty($someVar)
Wrong:
empty(someFunc())
Since PHP 5.5, it supports more than variables. But if you need it before 5.5, use trim($name) == false. From empty documentation.
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Add alternating row color to SQL Server Reporting services report
...s to use a simple VBScript function to determine the color.
It's a little more effort but when the basic solution does not suffice, it's a nice alternative.
Basically, you add code to the Report as follows...
Private bOddRow As Boolean
'************************************************************...
How do I return multiple values from a function in C?
...e depends largely on personal preference as to whatever semantics you like more.
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Change column type from string to float in Pandas
...supports pd.NA (pandas' object to indicate a missing value).
Read on for more detailed explanations and usage of each of these methods.
1. to_numeric()
The best way to convert one or more columns of a DataFrame to numeric values is to use pandas.to_numeric().
This function will try to change non-...