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How do I get the size of a java.sql.ResultSet?
...
ResultSet rs = ps.executeQuery();
int rowcount = 0;
if (rs.last()) {
rowcount = rs.getRow();
rs.beforeFirst(); // not rs.first() because the rs.next() below will move on, missing the first element
}
while (rs.next()) {
// do your stan...
super() raises “TypeError: must be type, not classobj” for new-style class
...sses merely construct new objects of type instance). Partial reference: https://stackoverflow.com/a/9699961/42973.
PS: The difference between a new-style class and an old-style one can also be seen with:
>>> type(OldStyle) # OldStyle creates objects but is not itself a type
classobj
>...
Turn off Visual Studio Attach security warning when debugging IIS
...configuration is saved in a private registry location, see this answer: https://stackoverflow.com/a/41122603/67910
For VS 2017, save this gist as a *.ps1 file and run it as admin, or copy and paste the following code in a ps1 file:
#IMPORTANT: Must be run as admin
dir $env:LOCALAPPDATA\Microsoft\...
How to run Conda?
...onfirm that it worked.
The export PATH=~/anaconda3/bin:$PATH works but stops when you exit the terminal in order change that you have to run sudo nano ~/.bashrc and then copy the path into the file and save it after that you activate the changes using source .bashrc.
check with conda install anac...
Peak memory usage of a linux/unix process
... time (seconds): 0.01
Percent of CPU this job got: 250%
Elapsed (wall clock) time (h:mm:ss or m:ss): 0:00.00
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
...
Combining node.js and Python
... API that simplifies having to manually deal with a socket. Thoonk also helps make it really trivial to implement a distributed computing model that allows you to scale your python workers to increase performance, since you just spin up new instances of your python workers and connect them to the sa...
Starting python debugger automatically on error
...python 3.2 so entering 'c' is required for earlier Python versions (see https://docs.python.org/3/library/pdb.html).
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ImageConvertor 扩展:免费图像转换器,支持JPG/PNG/WEBP格式转换和图像处...
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最新版本:3.9
许可协议:免费开源
文档最后更新:2025年11月19日
您的改进建议 联系方式: 不需要回复的可留空~ 意见反馈(300字以内): 给个鼓励也行呐~o~ ...
How to do ssh with a timeout in a script?
...eout and -o BatchMode=yes -o StrictHostKeyChecking=no .
ConnectTimeout keeps the script from hanging, BatchMode keeps it from hanging with Host unknown, YES to add to known_hosts, and StrictHostKeyChecking adds the fingerprint automatically.
**** NOTE ****
The "StrictHostKeyChecking" was only inte...
How to run the sftp command with a password from Bash script?
... is that other users on the computer can read the password from tools like ps and that the password can become part of your shell history.
A more secure alternative which is available since LFTP 4.5.0 is setting the LFTP_PASSWORDenvironment variable and executing lftp with --env-password. Here's a...
