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How to execute raw SQL in Flask-SQLAlchemy app
...leave you with corrupted data. Each request should be associated with only one transaction, and using db.session will ensure this is the case for your application.
Also take note that execute is designed for parameterized queries. Use parameters, like :val in the example, for any inputs to the quer...
What is the yield keyword used for in C#?
In the How Can I Expose Only a Fragment of IList<> question one of the answers had the following code snippet:
17 A...
How do I display the current value of an Android Preference in the Preference summary?
...mmary() will format the summary with the current selected entry (or "" if none selected).
– SOFe
Aug 3 '16 at 7:19
fin...
How do I call some blocking method with a timeout in Java?
...tch (InterruptedException e) {
// handle the interrupts
} catch (ExecutionException e) {
// handle other exceptions
} finally {
future.cancel(true); // may or may not desire this
}
If the future.get doesn't return in 5 seconds, it throws a TimeoutException. The timeout can be configured i...
How to pre-populate the sms body text via an html link
...t it to work on Android you need to use this format:
<a href="sms:/* phone number here */?body=/* body text here */">Link</a>
If you want it to work on iOS, you need this:
<a href="sms:/* phone number here */;body=/* body text here */">Link</a>
Live demo here: http://brad...
How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
... also the best to really control which versions you use, have more than one version installed and so on. It's why it's the accepted answer.
– João Pinto Jerónimo
Dec 29 '14 at 21:51
...
select into in mysql
... SELECT INTO command creates new table and can be copied data from one database to another as
– Shankar Regmi
Nov 8 '14 at 17:16
3
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How can I make a clickable link in an NSAttributedString?
...swered Nov 21 '14 at 13:58
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Access Enum value using EL with JSTL
...: this could lead to cumbersome misunderstandings if the enum gets changed one day. Usually, if I find myself changing an enum, I feel pretty safe, and probably I wouldn't remember that string-to-enum-reference in that view...
– reallynice
Sep 19 '14 at 14:31
...
How do I drop a foreign key constraint only if it exists in sql server?
...rameter position:
C = CHECK constraint
D = DEFAULT (constraint or stand-alone)
F = FOREIGN KEY constraint
PK = PRIMARY KEY constraint
UQ = UNIQUE constraint
You can also use OBJECT_ID without the second parameter.
Full List of types here:
Object type:
AF = Aggregate function (CLR)
C = CHECK c...