大约有 30,000 项符合查询结果(耗时:0.0447秒) [XML]
Git branch diverged after rebase
I have rebased a branch locally which was already pushed.
4 Answers
4
...
Throwing the fattest people off of an overloaded airplane.
... will be thrown overboard.
According to the standard references, running time should be proportional to n log k, where n is the number of passengers and k is the maximum number of items on the heap. If we assume that passengers' weights will typically be 100 lbs or more, then it's unlikely that th...
Using an ORM or plain SQL? [closed]
...s to object fields. They usually handle converting the language's date and time types to the appropriate database type. They generally handle one-to-many relationships pretty elegantly as well by instantiating nested objects. I've found if you design your database with the strengths and weaknesses o...
When should one use final for method parameters and local variables?
...ur own code, erecting walls that you later have to tear down is a waste of time.
– Alex Miller
Oct 1 '08 at 13:28
10
...
Fast way of counting non-zero bits in positive integer
... integer in 64-bit and 32-bit chunks, respectively. Both were at least ten times slower than bin(n).count("1") (the 32-bit version took about half again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of bin(n).count("1"). So if you can install gmpy, use that.
To an...
What's the difference between an argument and a parameter?
... line with this distinction, actually. Parameters are named at declaration time, arguments are known only at call time. The syntax *args declares a parameter args whose value is a list (name and type known at declaration time) of the arguments (whose number is known only at call time).
...
Getting “unixtime” in Java
Date.getTime() returns milliseconds since Jan 1, 1970. Unixtime is seconds since Jan 1, 1970. I don't usually code in java, but I'm working on some bug fixes. I have:
...
Difference between java.util.Random and java.security.SecureRandom
...recurrence relation) it is very easy to predict future values in much less time than a full cycle. After all, it's just a bunch of modular equations that need to be solved, which becomes easy as soon as you have observed enough output values of the LCG.
The security doesn't improve with a "better"...
Pythonic way to check if a list is sorted or not
... so, unless you expect it to be not sorted (and fairly random) most of the time, I would, again, just sort the list.
share
|
improve this answer
|
follow
|
...
Implementing Comments and Likes in database
...should know about the schema.
You may have to refactor the schema several times. This is normal. Don't worry about getting it perfect the first time. Just make it functional enough to prototype an initial design. If you have the luxury of time, use it some, and then delete the schema and do it ...
