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How do you list all triggers in a MySQL database?
...trigger_name, action_statement
from information_schema.triggers
You can do this from version 5.0.10 onwards.
More information about the TRIGGERS table is here.
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How do Google+ +1 widgets break out of their iframe?
...he <iframe> element in which it is contained. I’ve inspected the DOM to confirm this.*
2 Answers
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“for loop” with two variables? [duplicate]
... zip will truncate to the shortest list. As @abarnert pointed out, if you don't want to truncate to the shortest list, you could use itertools.zip_longest.
UPDATE
Based on the request for "a function that will read lists "t1" and "t2" and return all elements that are identical", I don't think the...
How to list only top level directories in Python?
...t to be able to list only the directories inside some folder.
This means I don't want filenames listed, nor do I want additional sub-folders.
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Why is it a bad practice to return generated HTML instead of JSON? Or is it?
...hen what I need on the javascript side is presentation on which I will not do any calculation, I generally use HTML
The main advantage of using HTML is when you want to replace a full portion of your page with what comes back from the Ajax request :
Re-building a portion of page in JS is (quite)...
ThreadStart with parameters
How do you start a thread with parameters in C#?
16 Answers
16
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How do I create an empty array/matrix in NumPy?
...eating gaps for the new elements to be stored. This is very inefficient if done repeatedly to build an array.
In the case of adding rows, your best bet is to create an array that is as big as your data set will eventually be, and then add data to it row-by-row:
>>> import numpy
>>&g...
What does value & 0xff do in Java?
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What does the x mean in that notation? x isn't a number or a hex number?
– Callat
Dec 5 '16 at 18:56
3
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Why can templates only be implemented in the header file?
... For example:
template<typename T>
struct Foo
{
T bar;
void doSomething(T param) {/* do stuff using T */}
};
// somewhere in a .cpp
Foo<int> f;
When reading this line, the compiler will create a new class (let's call it FooInt), which is equivalent to the following:
struct ...
Why should I declare a virtual destructor for an abstract class in C++?
...ctor. Instant memory leak.
For example
class Interface
{
virtual void doSomething() = 0;
};
class Derived : public Interface
{
Derived();
~Derived()
{
// Do some important cleanup...
}
};
void myFunc(void)
{
Interface* p = new Derived();
// The behaviour of the next l...