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Undefined behavior and sequence points
... Standard says
At certain specified points in the execution sequence called sequence points, all side effects of previous evaluations
shall be complete and no side effects of subsequent evaluations shall have taken place. (§1.9/7)
Side effects? What are side effects?
Evaluation of an ...
The ALTER TABLE statement conflicted with the FOREIGN KEY constraint
... tblDomare.PersNR to tblBana.BanNR but/and the values in tblDomare.PersNR didn't match with any of the values in tblBana.BanNR. You cannot create a relation which violates referential integrity.
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Purge Kafka Topic
...te a topic named MyTopic:
Describe the topic, and take not of the broker ids
Stop the Apache Kafka daemon for each broker ID listed.
Connect to each broker, and delete the topic data folder, e.g. rm -rf /tmp/kafka-logs/MyTopic-0. Repeat for other partitions, and all replicas
Delete the topic meta...
When should we use Observer and Observable?
... want to broadcast to the rest of the program.
Now, to do this we have to call some kind of method. We don't want the Observable class to be tightly coupled with the classes that are interested in observing it. It doesn't care who it is as long as it fulfils certain criteria. (Imagine it is a radio...
pythonw.exe or python.exe?
...
A user-mode process is created by the system call NtCreateUserProcess. If the target executable is a console program, the system unconditionally inherits the parent's standard handles. But for a non-console program it requires being explicitly told to inherit the parent...
Professional jQuery based Combobox control? [closed]
... New version (0.9.3) just released. FlexBox now supports client-side JSON filtering.
– Noah Heldman
Oct 1 '10 at 16:30
...
Analytics Google API Error 403: “User does not have any Google Analytics Account”
I'm creating an script, based on Google Analytics step-by-step guide from this page:
15 Answers
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Forward declaration of nested types/classes in C++
...{
// ...
}
But then:
you will have to specify the embedded type at call time (especially if your function does not take any parameters of the embedded type)
your function can not be virtual (because it is a template)
So, yeah, tradeoffs...
...
What is the purpose of a self executing function in javascript?
... include in my site... I include it.
One problem: it has a function in it called 'name' same as my function.
This is what's called collision. We've got two functions declared in the same scope with the same name. We want to avoid this.
So we need to scope our code somehow.
The only way to scop...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...lan. Stored procedures will, generally, store this in memory so you can avoid this overhead.
Still an advantage?
Most DBMS' (the latest editions) will cache the query plans for INDIVIDUAL SQL statements, greatly reducing the performance differential between stored procs and ad hoc SQL. There are s...