大约有 47,000 项符合查询结果（耗时：0.0856秒） [XML]
Is Fortran easier to optimize than C for heavy calculations?
... that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
...
Number of occurrences of a character in a string [duplicate]
...rge and (almost) entirely made up of repeated delimiters (&), it could allocate 12-24x the original size of the string due to object overheads in .Net. I would go with the second approach, and if that's not fast enough then write a for loop.
– Niall Connaughton
...
Object.getOwnPropertyNames vs Object.keys
...
There is a little difference. Object.getOwnPropertyNames(a) returns all own properties of the object a. Object.keys(a) returns all enumerable own properties. It means that if you define your object properties without making some of them enumerable: false these two methods will give you the sa...
Break parallel.foreach?
How do I break out of an parallel.for loop?
5 Answers
5
...
How to negate specific word in regex? [duplicate]
...
This says it all (I probably would have started with (?!bar) and built up). I don't see why other people are making it so complicated.
– Beta
Aug 7 '09 at 14:49
...
Is there a standard for storing normalized phone numbers in a database?
...s flexible enough to handle international numbers, and also something that allows the various parts of the number to be queried efficiently.
...
Set the table column width constant regardless of the amount of text in its cells?
...ny extra text from coming out of the table.
You should make sure to leave all of the bordering and sizing for CSS, too.
Ok so here's what I have:
table {
border: 1px solid black;
table-layout: fixed;
width: 200px;
}
th,
td {
border: 1px solid black;
width: 100px;
overfl...
Copy paste text into iOS simulator
...hich apps running on that device (simulator) use via the iOS pup-up select-all/copy/paste UI items.
Completely separate from that: your mac has it's own clipboard and content. The Simulator program running on your mac provides the Edit > Paste Text menu item. The program implements that menu ite...
Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
It is said to be a good habit to close all JDBC resources after usage. But if I have the following code, is it necessary to close the Resultset and the Statement?
...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
6 Answers
...