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What is meant by the term “hook” in programming?
I recently heard the term "hook" while talking to some people about a program I was writing. I'm unsure exactly what this term implies although I inferred from the conversation that a hook is a type of function. I searched for a definition but was unable to find a good answer. Would someone be ab...
SqlAlchemy - Filtering by Relationship Attribute
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Use method has() of relationship (more readable):
patients = Patient.query.filter(Patient.mother.has(phenoscore=10))
or join (usually faster):
patients = Patient.query.join(Patient.mother, aliased=True)\
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PostgreSQL delete with inner join
... answered Aug 1 '12 at 6:46
OmeshOmesh
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Writing a dict to txt file and reading it back?
...string; but you want to turn the string back into a dictionary.
The error message you saw was because self.whip was a string, not a dictionary.
I first wrote that you could just feed the string into dict() but that doesn't work! You need to do something else.
Example
Here is the simplest way: f...
Visual studio long compilation when replacing int with double
...performs the malware scans. Disabling it by unticking the "Turn on real-time protection" option instantly fixes the delay. So does adding the path where I store projects to the "Excluded file locations" box, probably your preferred approach.
I'd hate to have to guess at the underlying reason, but...
Get type name without full namespace
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typeof(T).Name // class name, no namespace
typeof(T).FullName // namespace and class name
typeof(T).Namespace // namespace, no class name
share
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How to detect user inactivity in Android
User start my app and logs in.
Selects Session Timeout to be 5 mins.
Does some operations on the app. (all in foreground)
Now User bring Myapp to background and starts some other app.
----> Count down timer starts and logs out user after 5 mins
OR user turns the screen OFF.
----> Cou...
How to use background thread in swift?
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Swift 3.0+
A lot has been modernized in Swift 3.0. Running something on the background thread looks like this:
DispatchQueue.global(qos: .background).async {
print("This is run on the background queue")
DispatchQueue.main.async {
print("This is run on the main queue, ...
optional parameters in SQL Server stored proc?
I'm writing some stored procs in SQL Server 2008, and wondered if the concept of optional input parameters is possible here?
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(How) can I count the items in an enum?
This question came to my mind, when I had something like
6 Answers
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