大约有 34,900 项符合查询结果(耗时:0.0364秒) [XML]
node.js: read a text file into an array. (Each line an item in the array.)
I would like to read a very, very large file into a JavaScript array in node.js.
13 Answers
...
How to delete the top 1000 rows from a table using Sql Server 2008?
I have a table in SQL Server. I would like to delete the top 1000 rows from it. However, I tried this, but I instead of just deleting the top 1000 rows it deleted all the rows in the table.
...
Most efficient way to reverse a numpy array
...nt code, the repetitive operation of numpy array reversion ate a giant chunk of the running time. What I have right now is the common view-based method:
...
View the change history of a file using Git versioning
...
For this I'd use:
gitk [filename]
or to follow filename past renames
gitk --follow [filename]
share
|
improve this answer
|
...
ASP.NET 2.0 - How to use app_offline.htm
...
I have used the extremely handy app_offline.htm trick to shut down/update sites in the past without any issues.
Be sure that you are actually placing the "app_offline.htm" file in the "root" of the website that you have configured within IIS.
Also ensure that the file is nam...
sed command with -i option failing on Mac, but works on Linux
...
If you use the -i option you need to provide an extension for your backups.
If you have:
File1.txt
File2.cfg
The command (note the lack of space between -i and '' and the -e to make it work on new versions of Mac and on GNU):
sed -i'.original' -e 's/old_link/new_link/g' *
Create 2 backup...
What is a user agent stylesheet?
I'm working on a web page in Google Chrome. It displays correctly with the following styles.
13 Answers
...
How do I remove duplicate items from an array in Perl?
...
You can do something like this as demonstrated in perlfaq4:
sub uniq {
my %seen;
grep !$seen{$_}++, @_;
}
my @array = qw(one two three two three);
my @filtered = uniq(@array);
print "@filtered\n";
Outputs:
one two three
If you want ...
Deleting a file in VBA
...
1.) Check here. Basically do this:
Function FileExists(ByVal FileToTest As String) As Boolean
FileExists = (Dir(FileToTest) <> "")
End Function
I'll leave it to you to figure out the various error handling needed but th...
How to convert std::string to LPCSTR?
...
rubenvb
66.9k2727 gold badges163163 silver badges288288 bronze badges
answered Jul 29 '09 at 13:21
Lou FrancoLou ...