大约有 30,000 项符合查询结果（耗时：0.0192秒） [XML]
Static variable inside of a function in C
... that block, which is generally preferable: if foo exists to maintain x in predictable and visible ways, then letting others poke it is generally dangerous. As another benefit of keeping it in scope foo() It also keeps foo() portable.
– user2149140
Jan 16 '14 a...
Base64 encoding in SQL Server 2005 T-SQL
...need to accomplish certain things in software for reasons you can't always predict ... ?
– mercurial
Jun 13 '14 at 13:57
|
show 4 more comme...
How to exit if a command failed?
...
set -e is not at all reliable, consistent or predictable! To convince yourself of that, review the exercises section of BashFAQ #105, or the table comparing different shells' behaviors at in-ulm.de/~mascheck/various/set-e
– Charles Duffy
...
random.seed(): What does it do?
....
Hence random.random() is not actually perfect random number, it could be predicted via random.seed(x).
import random
random.seed(45) #seed=45
random.random() #1st rand value=0.2718754143840908
0.2718754143840908
random.random() #2nd rand value=0.48802820785090...
What are the best practices to follow when declaring an array in Javascript?
...
for maintainability, use []
The array literal is more predictable, as most developers use it. Most array usage out there will be using the literal, and there is value in having your code match up with what other developers use.
for empty arrays, use []
var ns = [];
var names =...
Should I use alias or alias_method?
...lass.)
alias's behavior changes depending on its scope and can be quite unpredictable at times.
Verdict: Use alias_method - it gives you a ton more flexibility.
Usage:
def foo
"foo"
end
alias_method :baz, :foo
share
...
.prop() vs .attr()
...ains the same but jQuery 1.6.1 changed things slightly: in the face of the predicted pile of broken websites, the jQuery team reverted attr() to something close to (but not exactly the same as) its old behaviour for Boolean attributes. John Resig also blogged about it. I can see the difficulty they ...
How do I use a PriorityQueue?
...pare implementation just be return x.length() - y.length()? (Avoids branch prediction)
– Franky
May 8 '14 at 6:24
...
How do I check that a number is float or integer?
...couraged over == in general, because it leads to more type safety and more predictable, uniform behaviour. As previous answerers have stated, this answer is absolutely, 100% incorrect. The values null, empty string, 1.0 and numerous others will all register incorrectly as integers (even with the ==...
How to bind 'touchstart' and 'click' events but not respond to both?
...t works (for me) almost but I discovered later on that in fact it works as predicted 20 times but 1 time not, so it is not bulletproof. Look here: stackoverflow.com/questions/25671053/… Appreciate your comments on that issue!
– Garavani
Sep 10 '14 at 6:11
...