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Rails: around_* callbacks
...classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* .
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How to kill/stop a long SQL query immediately?
...KILL 114 - here 114 is the SPID value of my suspended query. I get the error shon below: Please guide. Msg 102, Level 15, State 1, Line 2 Incorrect syntax near '114'.
– Code Buster
Jun 6 '16 at 10:40
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Installing python module within code
...upported by pip. Furthermore since pip v10, all code has been moved to pip._internal precisely in order to make it clear to users that programmatic use of pip is not allowed.
Use sys.executable to ensure that you will call the same pip associated with the current runtime.
import subprocess
import ...
Imitate Facebook hide/show expanding/contracting Navigation Bar
...is work?
– aherrick
Oct 17 '14 at 2:05
add a comment
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How to read and write INI file with Python3?
...['DEFAULT']['path'] = '/var/shared/' # update
config['DEFAULT']['default_message'] = 'Hey! help me!!' # create
with open('FILE.INI', 'w') as configfile: # save
config.write(configfile)
You can find more at the official configparser documentation.
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How do I create a PDO parameterized query with a LIKE statement?
...IKE '%'|| luza ||'%' OR company LIKE '%' ||luza ||'%' ) this would give me error.
– Luzan Baral
Oct 26 '18 at 14:28
@A...
'id' is a bad variable name in Python
...() is a fundamental built-in:
Help on built-in function id in module
__builtin__:
id(...)
id(object) -> integer
Return the identity of an object. This is guaranteed to be unique among
simultaneously existing objects. (Hint: it's the object's memory
address.)
In g...
How to remove from a map while iterating it?
...begin(); it != m.cend() /* not hoisted */; /* no increment */)
{
if (must_delete)
{
m.erase(it++); // or "it = m.erase(it)" since C++11
}
else
{
++it;
}
}
Note that we really want an ordinary for loop here, since we are modifying the container itself. The range-based loop sh...
LINQ: Select an object and change some properties without creating a new object
...xpression with a statement body cannot be converted to an expression tree" error. Its not for LINQ to SQL, any advice?
– surya
Feb 15 '12 at 16:22
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Does free(ptr) where ptr is NULL corrupt memory?
...gal in C++.
BTW, freeing memory twice usually causes some kind of runtime error, so it does not corrupt anything.