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How can I check if a string is null or empty in PowerShell?
Is there a built-in IsNullOrEmpty -like function in order to check if a string is null or empty, in PowerShell?
11 Answers...
Count work days between two dates
...ET @StartDate = '2008/10/01'
SET @EndDate = '2008/10/31'
SELECT
(DATEDIFF(dd, @StartDate, @EndDate) + 1)
-(DATEDIFF(wk, @StartDate, @EndDate) * 2)
-(CASE WHEN DATENAME(dw, @StartDate) = 'Sunday' THEN 1 ELSE 0 END)
-(CASE WHEN DATENAME(dw, @EndDate) = 'Saturday' THEN 1 ELSE 0 END)
If you...
Available text color classes in Bootstrap
... some text as the title at the navigation bar. I want to give those texts different colors. For this purpose I'm using a separate CSS file, but I want to do this using bootstrap's CSS file.
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How can I get every nth item from a List?
... @mquander: Note that this will actually give you the nth - 1 element. If you want the actual nth elements (skipping the first) then you will have to add 1 to i.
– casperOne
Mar 25 '09 at 17:37
...
Any way to Invoke a private method?
...
You can invoke private method with reflection. Modifying the last bit of the posted code:
Method method = object.getClass().getDeclaredMethod(methodName);
method.setAccessible(true);
Object r = method.invoke(object);
There are a couple of caveats. First, getDeclaredMethod...
Golang tests in sub-directory
...kage as subdirectories to keep the workspace cleaner. Is this possible and if so how?
4 Answers
...
Android: TextView: Remove spacing and padding on top and bottom
...issues in languages that have ascenders and descenders. I would make sure if you do this that you test languages like spanish and thai if you support them.
– Elliott
Jan 30 '15 at 1:41
...
How do I concatenate two text files in PowerShell?
...nedFile.txt
You can concatenate more than two files with this style, too.
If the source files are named similarly, you can use wildcards:
Get-Content inputFile*.txt | Set-Content joinedFile.txt
Note 1: PowerShell 5 and older versions allowed this to be done more concisely using the aliases cat and...
Converting List to List
...m sure you know how to do this):
List<Integer> oldList = ...
/* Specify the size of the list up front to prevent resizing. */
List<String> newList = new ArrayList<>(oldList.size());
for (Integer myInt : oldList) {
newList.add(String.valueOf(myInt));
}
...
Check that an email address is valid on iOS [duplicate]
...
return [emailTest evaluateWithObject:self];
}
@end
And then utilize:
if([@"emailString@email.com" isValidEmail]) { /* True */ }
if([@"InvalidEmail@notreallyemailbecausenosuffix" isValidEmail]) { /* False */ }
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