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How to do an INNER JOIN on multiple columns
...n once by giving the joined tables an alias, as in the following example:
SELECT
airline, flt_no, fairport, tairport, depart, arrive, fare
FROM
flights
INNER JOIN
airports from_port ON (from_port.code = flights.fairport)
INNER JOIN
airports to_port ON (to_port.code = flights.tair...
H2 in-memory database. Table not found
...ID INT PRIMARY KEY, FIRSTNAME VARCHAR(64), LASTNAME VARCHAR(64)); . I then select everything from this (empty) table using SELECT * FROM PERSON . So far, so good.
...
Are there good reasons not to use an ORM? [closed]
...honestly it isn't. Using an ORM tool means the tool/developer can insert, select, update or delete whatever he or she wants. Stored procedures provide a lot more security, especially in environments when dealing with client data. I think this is the biggest reason to consider. Security.
...
Export from sqlite to csv using shell script
...qlite3
You have a separate call to sqlite3 for each line; by the time your select runs, your .out out.csv has been forgotten.
Try:
#!/bin/bash
./bin/sqlite3 ./sys/xserve_sqlite.db <<!
.headers on
.mode csv
.output out.csv
select * from eS1100_sensor_results;
!
instead.
sh/bash methods
You can...
How to change current Theme at runtime in Android [duplicate]
... }
private void createDialog()
{
/** Options for user to select*/
String choose[] = {"Theme_Holo_Light","Theme_Black"};
AlertDialog.Builder b = new AlertDialog.Builder(this);
/** Setting a title for the window */
b.setTitle("Choose your Application...
How does TestFlight do it?
...l from web.
Remember - you still need to sign the beta distribution for a select set of UDIDs you can't just willy nilly install it on any device. All they are doing is taking the email the IPA step out of things.
See:
http://www.alexcurylo.com/blog/2010/08/27/wireless-ad-hoc-distribution/
Upd...
Distinct by property of class with LINQ [duplicate]
...p:
List<Car> distinct =
cars
.GroupBy(car => car.CarCode)
.Select(g => g.First())
.ToList();
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“Prevent saving changes that require the table to be re-created” negative effects
...ESCALATION = TABLE)
GO
SET IDENTITY_INSERT raw.Tmp_Contact ON
GO
IF EXISTS(SELECT * FROM raw.Contact)
EXEC('INSERT INTO raw.Tmp_Contact (ContactID, ProfileID, AddressType, ContactText)
SELECT ContactID, ProfileID, AddressType, ContactText FROM raw.Contact WITH (HOLDLOCK TABLOCKX)')
GO
S...
UIButton Long Press Event
...gPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];
[self.button addGestureRecognizer:longPress];
[longPress release];
And then implement the method that handles the gesture
- (void)longPress:(UILongPressGestureRecognizer*)gesture {
if ( gesture.s...
What is InnoDB and MyISAM in MySQL?
... INSERT statement can be executed to add rows to the end of the table with select at same time if there are no holes/deleted rows in middle of table (at time of concurrent insert).
The default isolation level og mysql InnoDB is "Read Repeatable". For MyISAM, there is no transaction. InnoDB uses row...