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How do I disable a Pylint warning?
...d of having to remember all those code numbers. E.g.:
# pylint: disable=locally-disabled, multiple-statements, fixme, line-too-long
This style is more instructive than cryptic error codes, and also more practical since newer versions of Pylint only output the symbolic name, not the error code.
T...
What's a monitor in Java?
...
Erm, not exactly. Each object automatically has a monitor (mutex) associated with it, regardless of anything else. When you declare a method synchronized, you're declaring that the runtime must obtain the lock on the object's monitor before execution of that meth...
What's the difference between globals(), locals(), and vars()?
... namespace
vars() returns either a dictionary of the current namespace (if called with no argument) or the dictionary of the argument.
locals and vars could use some more explanation. If locals() is called inside a function, it updates a dict with the values of the current local variable namespac...
How to generate random SHA1 hash to use as ID in node.js?
...ing passwords.
Technique 1 (generate a salt and hash on separate function calls)
const salt = bcrypt.genSaltSync(saltRounds);
const hash = bcrypt.hashSync(myPlaintextPassword, salt);
Technique 2 (auto-gen a salt and hash):
const hash = bcrypt.hashSync(myPlaintextPassword, saltRounds);
For more...
How to position a DIV in a specific coordinates?
...*/
}
If you feel you must use javascript, or are trying to do this dynamically
Using JQuery, this affects all divs of class "blah":
var blahclass = $('.blah');
blahclass.css('position', 'absolute');
blahclass.css('top', 0); //or wherever you want it
blahclass.css('left', 0); //or wherever you ...
[] and {} vs list() and dict(), which is better?
...he benchmark, it seems to take ~200ms which is way slower than normal http calls. Try running dict() normally in shell and then run timeit("dict()"), you would see visible difference in execution.
– piyush
May 26 '17 at 14:04
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Why can lambdas be better optimized by the compiler than plain functions?
...passing them to a function template will instantiate a new function specifically for that object. The compiler can thus trivially inline the lambda call.
For functions, on the other hand, the old caveat applies: a function pointer gets passed to the function template, and compilers traditionally ha...
align right in a table cell with CSS
...es to buttons and controls as well as text. Perhaps this should have been called content-align?
– Ben
Feb 26 '14 at 10:10
3
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select and update database record with a single queryset
... Regarding 1. - I think the query result gets cached on first call to query, hence there is actually still just a one call to DB.
– user2340939
Jun 3 at 12:54
add...
Difference between git pull and git pull --rebase
...at saying git pull --rebase is the same as git fetch and git rebase is basically how it is, but it's not exactly semantically equivalent. There are some differences, some of which are explained here. gitolite.com/git-pull--rebase
– w0rp
Aug 20 '15 at 9:47
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