大约有 47,000 项符合查询结果（耗时：0.0395秒） [XML]
Connection pooling options with JDBC: DBCP vs C3P0
...a shelf, the Apache Commons folk have taken DBCP out of dormancy and it is now, once again, an actively developed project. Thus my original post may be out of date.
That being said, I haven't yet experienced this new upgraded library's performance, nor heard of it being de-facto in any recent app ...
How to determine if binary tree is balanced?
...IT specialist at a hospital. Trying to move to do some actual programming now. I'm working on binary trees now, and I was wondering what would be the best way to determine if the tree is height-balanced.
...
Convert array to JSON
...] which holds a few integers.
I've added a few values to the array, but I now need to send this array to a page via jQuery's .get method. How can I convert it to a JSON object for sending?
...
Google Docs/Drive - number the headings
...
Update: now available in github.
Update 2: now handling empty headings and blank lines thanks to 2 pull requests on github.
Update 3: github and code below fixed to handle new Docs HEADING identification.
I modified the script m...
Is Java really slow?
... use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to blame, far more than the language. Also, blame anything 'enterprise.'
In fairness to the "Java is slow" crowd, here are areas where it is still slow (updated for 2013):
Libr...
Debugging Scala code with simple-build-tool (sbt) and IntelliJ
...Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005
You now can run your code as normal, for example with the sbt run command.
Configuring IntelliJ to connect to the running code...
Now you connect IntelliJ to your running process using a Remote Debug configuration. Note that th...
Produce a random number in a range using C#
...
Something like:
var rnd = new Random(DateTime.Now.Millisecond);
int ticks = rnd.Next(0, 3000);
share
|
improve this answer
|
follow
...
How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...
Update: PortableApps now offers a portable version of the Java JDK.
– Stevoisiak
Sep 5 '17 at 17:03
|...
Parsing CSV files in C#, with header
...
A CSV parser is now a part of .NET Framework.
Add a reference to Microsoft.VisualBasic.dll (works fine in C#, don't mind the name)
using (TextFieldParser parser = new TextFieldParser(@"c:\temp\test.csv"))
{
parser.TextFieldType = Field...
How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
I know this will give me the day of the month as a number ( 11 , 21 , 23 ):
19 Answers
...