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MySQL selecting yesterday's date
...be:
SELECT
url as LINK,
count(*) as timesExisted,
sum(DateVisited between UNIX_TIMESTAMP(subdate(current_date, 1)) and
UNIX_TIMESTAMP(current_date)) as timesVisitedYesterday
FROM mytable
GROUP BY 1
For the curious, the reason that sum(condition) gives you the count of rows th...
ContractFilter mismatch at the EndpointDispatcher exception
...dpointDispatcher" means the receiver could not process the message because it did not match any of the contracts the receiver has configured for the endpoint which received the message.
This can be because:
You have different contracts between client and sender.
You're using a different binding b...
Real world example about how to use property feature in python?
...calls, etc
# all results in an angle set in 'some_angle'
# It could also reference a cache, remote or otherwise,
# that holds the latest value for this angle
return some_angle
>>> f = PDB_Calculator()
>>> angle = f.protein_folding_angle
>>>...
What's the difference between ngModel.$modelValue and ngModel.$viewValue
I have the following ckEditor directive. At the bottom are two variations that I have seen from examples on how to set the data in the editor:
...
Why is textarea filled with mysterious white spaces?
...
Look closely at your code. In it, there are already three line breaks, and a ton of white space before </textarea>. Remove those first so that there are no line breaks in between the tags any more. It might already do the trick.
...
Joda-Time: what's the difference between Period, Interval and Duration?
...
3 classes are needed because they represent different concepts so it is a matter of picking the appropriate one for the job rather than of relative performance. From the documentation with comments added by me in italics:
An interval in Joda-Time represents an interval of time from one m...
How to use an existing database with an Android application [duplicate]
I have already created an SQLite database. I want to use this database file with my Android project. I want to bundle this database with my application.
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PostgreSQL function for last inserted ID
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( tl;dr : goto option 3: INSERT with RETURNING )
Recall that in postgresql there is no "id" concept for tables, just sequences (which are typically but not necessarily used as default values for surrogate primary keys, with the SERIAL pseudo-type).
If you...
Running script upon login mac [closed]
I am wondering if anyone is able to help me out with getting a .sh file to run when I log in to my account on my computer. I am running Mac OS X 10.6.7.
...
How to get the CPU Usage in C#?
...
You can use the PerformanceCounter class from System.Diagnostics.
Initialize like this:
PerformanceCounter cpuCounter;
PerformanceCounter ramCounter;
cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
ramCounter = new PerformanceCounter("Memory", "Available MByt...