大约有 19,000 项符合查询结果（耗时：0.0459秒） [XML]
Scala Doubles, and Precision
...rmat way, but in locales s.a. mine (Finnish), care must be taken to fix to ROOT locale. E.g. "%.2f".formatLocal(java.util.Locale.ROOT,x).toDouble . It seems, format uses ',' because of the locale whereas toDouble is not able to take it in and throws a NumberFormatException. This of course is based o...
How do I force git to use LF instead of CR+LF under windows?
... want git to normalize all the files in the repo. To do this, go to to the root of your repo and run these commands:
git rm --cached -rf .
git diff --cached --name-only -z | xargs -n 50 -0 git add -f
If you now want git to also normalize the files in your working directory, run these commands:
g...
SQLAlchemy: print the actual query
...ho=True, to log all SQL queries. For example:
engine = create_engine(
"mysql://scott:tiger@hostname/dbname",
encoding="latin1",
echo=True,
)
This can also be modified for just a single request:
echo=False – if True, the Engine will log all statements as well as a repr() of their para...
How does Amazon RDS backup/snapshot actually work?
...
We also run several RDS instances, in addition to MySQL on some machines that we manage ourselves. I can't comment specifically, as I'm not an Amazon engineer, but several things I've learned that might explain what you're seeing:
Although Amazon does not share the backend...
How to make an app's background image repeat
...
/* View someView = (View)findViewById(R.layout.main);
// Find the root view
View root = someView.getRootView();*/
// Set the color
/*root.setBackgroundColor(color.darker_gray);*/
share
|
...
How do I fix PyDev “Undefined variable from import” errors?
...aving a similar problem with an Eclipse/PyDev project. In this project the root directory of the python code was a sub-directory of the project.
--> MyProject
+ --> src Root of python code
+ --> module1 A module
+ --> module2 Another module
+ --> docs
+ --&g...
Using an image caption in Markdown Jekyll
...
That is a great idea! However, site_root is not accepted as a valid variable. When rendered it ends up as src="{{ site.url_root }}....
– orschiro
Oct 14 '13 at 19:48
...
Difference between a theta join, equijoin and natural join
...ystems created by various vendors such as Microsoft's SQL Server, Oracle's MySQL etc. ) don't even bother supporting this, it is just bad practice (or purposely chose not to implement it). Imagine that a developer comes and changes the name of the second column in Product from Price to Cost. Then al...
Can I specify multiple users for myself in .gitconfig?
...c user / email address which overrides the global configuration. From the root of the repo, run
git config user.name "Your Name Here"
git config user.email your@email.com
whereas the default user / email is configured in your ~/.gitconfig
git config --global user.name "Your Name Here"
git confi...
How can I color Python logging output?
...install()
> logging.info("It works!")
2014-07-30 21:21:26 peter-macbook root[7471] INFO It works!
The default log format shown in the above example contains the date, time, hostname, the name of the logger, the PID, the log level and the log message. This is what it looks like in practice:
N...