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Calculate a Running Total in SQL Server
...QL Server implementation of the Over clause is somewhat limited.
Oracle (and ANSI-SQL) allow you to do things like:
SELECT somedate, somevalue,
SUM(somevalue) OVER(ORDER BY somedate
ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
AS RunningTotal
FROM Table
SQL Server gi...
Disable ALL CAPS menu items in Visual Studio 2013
... Studio 2013 Update 4 you can go into Tools > Options > Environment
and uncheck Turn off upper case in the menu bar
Before Visual Studio 2013 Update 4:
You need to create a specific registry key if you want "old-style" menus back.
First Variant: Since Package Manager Console is Powersh...
How can I add new keys to a dictionary?
...y by assigning a value
to that key. If the key doesn't exist, it's added and points to that
value. If it exists, the current value it points to is overwritten.
—R. Navega
share
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Static Initialization Blocks
...the constructor's job to initialize fields.
– Martin Andersson
Apr 1 '13 at 18:56
2
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Does :before not work on img elements?
...
The before and after pseudo-selectors don't insert HTML elements — they insert text before or after the existing content of the targeted element. Because image elements don't contain text or have descendants, neither img:before or im...
How to delete files/subfolders in a specific directory at the command prompt in Windows
...
You can use this shell script to clean up the folder and files within C:\Temp source:
del /q "C:\Temp\*"
FOR /D %%p IN ("C:\Temp\*.*") DO rmdir "%%p" /s /q
Create a batch file (say, delete.bat) containing the above command. Go to the location where the delete.bat file is loc...
ConcurrentHashMap vs Synchronized HashMap
...ference between using the wrapper class, SynchronizedMap , on a HashMap and ConcurrentHashMap ?
12 Answers
...
What regular expression will match valid international phone numbers?
...rmat for matching a generic international phone number. I replaced the US land line centric international access code 011 with the standard international access code identifier of '+', making it mandatory. I also changed the minimum for the national number to at least one digit.
Note that if you en...
Count the items from a IEnumerable without iterating?
Let's say I want iterate on those and write something like processing #n of #m.
19 Answers
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Which Android IDE is better - Android Studio or Eclipse? [closed]
I'm starting to develop for Android. Which IDE should I use - Android Studio or Eclipse sdk?
I would like to know which one is better.
...