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SQL: How to get the count of each distinct value in a column?
I have a SQL table called "posts" that looks like this:
1 Answer
1
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How to print struct variables in console?
How can I print (in the console) the Id , Title , Name , etc. of this struct in Golang?
20 Answers
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Unable to open project… cannot be opened because the project file cannot be parsed
... THANK YOU. This works. In my case it wasn't ".mine" or ".r" but said something else... Ctrl-F for "===" to find the place.
– ck_
Oct 31 '12 at 17:22
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Deleting rows with MySQL LEFT JOIN
...se (delete orphans): DELETE t1 FROM table1 AS t1 LEFT JOIN t2 AS t2 ON t1.uid = t2.result WHERE t2.result IS NULL
– Urs
Aug 26 '13 at 18:19
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How do I associate file types with an iPhone application?
...at -application:didFinishLaunchingWithOptions: in the app delegate is only called if your app was not backgrounded when it's opened to handle a file.
– memmons
Oct 10 '11 at 18:32
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Find a string by searching all tables in SQL Server Management Studio 2008
...; @TableName
AND OBJECTPROPERTY(
OBJECT_ID(
QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)
), 'IsMSShipped'
) = 0
)
WHILE (@TableName IS NOT NULL) AND (@ColumnName IS NOT NU...
Android: how to make keyboard enter button say “Search” and handle its click?
...the layout set your input method options to search.
<EditText
android:imeOptions="actionSearch"
android:inputType="text" />
In the java add the editor action listener.
editText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
public boolean onEdi...
Convert column classes in data.table
...)
Classes ‘data.table’ and 'data.frame': 10 obs. of 3 variables:
$ ID : Factor w/ 2 levels "A","B": 1 1 1 1 1 2 2 2 2 2
$ Quarter: chr "1" "2" "3" "4" ...
$ value : num -0.838 0.146 -1.059 -1.197 0.282 ...
Using lapply and as.character:
dtnew <- dt[, lapply(.SD, as.character...
Programmatically register a broadcast receiver
I'd like to know what is the best practice/way of programmatically register a broadcast receiver. I want to register specific receivers according to user choice.
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'IF' in 'SELECT' statement - choose output value based on column values
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SELECT id,
IF(type = 'P', amount, amount * -1) as amount
FROM report
See http://dev.mysql.com/doc/refman/5.0/en/control-flow-functions.html.
Additionally, you could handle when the condition is null. In the case of a null...