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SQL query to group by day
...ADD SaleDay AS DAY(Created) PERSISTED
and now you could easily group by, order by etc. by day, month or year of the sale:
SELECT SaleDay, SUM(Amount)
FROM dbo.Sales
GROUP BY SaleDay
Those calculated fields will always be kept up to date (when your "Created" date changes), they're part of your t...
Disable hover effects on mobile browsers
...y, you can edit your page that there is no content change.
Background
In order to simulate a mouse, browsers such as Webkit mobile fire the following events if a user touches and releases a finger on touch screen (like iPad) (source: Touch And Mouse on html5rocks.com):
touchstart
touchmove
touch...
How to search file text for a pattern and replace it with a given value
...irectory fails.
You must have enough space on the destination partition in order to hold both the complete old file and the new file. However, if you have insufficient space to hold both copies then you are probably short on disk space and the actual risk of writing a truncated file is much higher,...
Java current machine name and logged in user?
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When to use LinkedList over ArrayList in Java?
... a LinkedList, get is still O(n) even if you know the position, because in order to get to that position, the underlying implementation has to walk the linked list's "next" pointers to get to that position's value. There is no such thing as random access. For position 2, walking the pointers might b...
How to avoid reverse engineering of an APK file?
... is way, but it is not sure to be notHacked. If i am encrypting String in order to decrypt them, i need one unique id in the code. and if anyone able to decompile it then it will be very easy to get the Unique id.
– Bhavesh Patadiya
Dec 13 '12 at 12:47
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jQuery if checkbox is checked
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Google Maps API - Get Coordinates of address
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Using Kafka as a (CQRS) Eventstore. Good idea?
... is a style of application design where state changes are logged as a time-ordered sequence of records. Kafka's support for very large stored log data makes it an excellent backend for an application built in this style.
UPDATE 2
One concern with using Kafka for event sourcing is the number of re...
C++ catch blocks - catch exception by value or reference? [duplicate]
...ument to throw should be on the stack and should be destroyed as the first order of business of unwinding. throw new is an error.
– Potatoswatter
Mar 26 '10 at 10:55
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