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Two way/reverse map [duplicate]
...question - note the performance issues discussed by Aya in the comments on my dupe question though.
– Tobias Kienzler
May 29 '13 at 7:16
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CSV in Python adding an extra carriage return, on Windows
...
This is the best answer in my opinion. As to it being problematic in Unix, how about calling sys.platform and dealing with it dynamically?
– sovemp
Aug 8 '14 at 20:17
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Insert auto increment primary key to existing table
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An ALTER TABLE statement adding the PRIMARY KEY column works correctly in my testing:
ALTER TABLE tbl ADD id INT PRIMARY KEY AUTO_INCREMENT;
On a temporary table created for testing purposes, the above statement created the AUTO_INCREMENT id column and inserted auto-increment values for each exi...
java.lang.IllegalStateException: The specified child already has a parent
...ent solution. I was getting this exception but I changed the first line of my onCreatView override from this:
View result = inflater.inflate(R.layout.customer_layout, container);
...to this:
View result = inflater.inflate(R.layout.customer_layout, container, false);
I have no idea why but usin...
Change Screen Orientation programmatically using a Button
... function that needs to be run on a rooted device? It seems not working on my cell phone but on my rooted tablet.
– Sam
Aug 16 '13 at 8:21
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In C#, how to instantiate a passed generic type inside a method?
How can I instantiate the type T inside my InstantiateType<T> method below?
8 Answers
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Efficient SQL test query or validation query that will work across all (or most) databases
...it of research along with help from some of the answers here:
SELECT 1
H2
MySQL
Microsoft SQL Server (according to NimChimpsky)
PostgreSQL
SQLite
SELECT 1 FROM DUAL
Oracle
SELECT 1 FROM any_existing_table WHERE 1=0
or
SELECT 1 FROM INFORMATION_SCHEMA.SYSTEM_USERS
or
CALL NOW()
HSQLDB (tested ...
PDO Prepared Inserts multiple rows in single query
I am currently using this type of SQL on MySQL to insert multiple rows of values in one single query:
22 Answers
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Swift Programming: getter/setter in stored property
...is to use two properties: one is public and one is private, public invokes my code and return private property's value. That is why I asked about didGet
– fnc12
May 19 '15 at 6:48
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How do I assert an Iterable contains elements with a certain property?
....hamcrest.beans.HasPropertyWithValue.hasProperty;
the code:
assertThat( myClass.getMyItems(), contains(
hasProperty("name", is("foo")),
hasProperty("name", is("bar"))
));
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