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How can I use optional parameters in a T-SQL stored procedure?
...dure to do a search through a table. I have many different search fields, all of which are optional. Is there a way to create a stored procedure that will handle this? Let's say I have a table with four fields: ID, FirstName, LastName and Title. I could do something like this:
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Converting a UNIX Timestamp to Formatted Date String
...es is via the native DateTime class. To get the current time you can just call
$currentTime = new DateTime();
To create a DateTime object from a specific timestamp (i.e. not now)
$currentTime = DateTime::createFromFormat( 'U', $timestamp );
To get a formatted string you can then call
$formatt...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
... google shows many results that say that, as Python is byte-compiled is usually faster. I even found this that claims that you can see an improvement of over 2000% on dictionary-based operations.
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bat 写注册表详解 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
bat 写注册表详解实例：reg add "HKCU Software Microsoft Windows CurrentVersion Run" v "test" d "c: windows system32 regedit" f命令提示符...实例：
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "test" /d "c:\windows\system32\regedit" /f
命令提示符 r...
Is there a “standard” format for command line/shell help text?
If not, is there a de facto standard? Basically I'm writing a command line help text like so:
8 Answers
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git: diff between file in local repo and origin
I want to find the differences between a file I have in my local repo vs what is in the origin master .
7 Answers
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UICollectionView auto scroll to cell at IndexPath
...ection view user sets the number of image in the array of collection view. All of the cells don't fit on the screen. I have 30 cells and only 6 on the screen.
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How can I replace a newline (\n) using sed?
...ns not to do it on the last line as there should be one final newline).
Finally the substitution replaces every newline with a space on the pattern space (which is the whole file).
Here is cross-platform compatible syntax which works with BSD and OS X's sed (as per @Benjie comment):
sed -e ':a' -...
Compare if two variables reference the same object in python
How to check whether two variables reference the same object?
6 Answers
6
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Overload with different return type in Java?
... alone is not sufficient for the compiler to figure out which function to call:
public int foo() {...}
public float foo() {..}
...
foo(); // which one?
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