大约有 16,000 项符合查询结果（耗时：0.0250秒） [XML]
map vs. hash_map in C++
...of O(N) when collisions are likely (bad hash fcn, loading factor too high, etc)
– KitsuneYMG
Feb 3 '10 at 6:25
A good ...
Do I cast the result of malloc?
... if it's not you who frees the memory but maybe a C library you are using, etc. Many possible problems without any gain.
– quinmars
Mar 4 '09 at 8:53
88
...
git-diff to ignore ^M
... ^M characters no longer appear at the end of lines in git diff, git show, etc.
It appears to leave other settings as-is; for instance, extra spaces at the end of a line still show as errors (highlighted in red) in the diff.
(Other answers have alluded to this, but the above is exactly how to set ...
Converting between datetime, Timestamp and datetime64
...4.
Think of np.datetime64 the same way you would about np.int8, np.int16, etc and apply the same methods to convert beetween Python objects such as int, datetime and corresponding numpy objects.
Your "nasty example" works correctly:
>>> from datetime import datetime
>>> import n...
When should you NOT use a Rules Engine? [closed]
...ject used Drools) contained a lot of java code, including loops, functions etc. They were essentially java files masquerading as rules file. When I asked the architect on his reasoning for the design I was told that the "Rules were never intended to be maintained by business users".
Lesson: They a...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...(this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Person person = (Person) o;
if (firstName != null ? !firstName.equals(person.firstName) : person.firstName != null) {
return false;
...
Loop through files in a directory using PowerShell
...r was install something and use it. You could have suggested install Ruby, etc.
– SteveC
Dec 13 '19 at 14:02
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show 1 more comment
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Parsing IPv6 extension headers containing unknown extensions
...arse IPv6 headers to match things like ICMPv6 types, TCP/UDP port numbers, etc.
4 Answers
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Git submodule add: “a git directory is found locally” issue
... git submodule commands and rm all the other directories, pushes to master etc... the directory didn't exist and there was no reason for the cache. Turns out in .git/modules that is where this error was lying.
share
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How does __proto__ differ from constructor.prototype?
...hat is function Empty() {} you refer to being equal to Function.prototype, etc?, what is the code you used in chrome console?
– drodsou
Jul 28 '12 at 18:32
2
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