大约有 15,590 项符合查询结果（耗时：0.0254秒） [XML]
Converting from longitude\latitude to Cartesian coordinates
...the Earth is an ellipsoid, but I believe you only get about a 0.5% average error using an approach like the "Haversine Formula", which may be an acceptable amount of error in your case. You will always have some amount of error unless you're talking about a distance of a few feet and even then ther...
invalid byte sequence for encoding “UTF8”
...pgAdmin. Just right-click the database, and select "Properties".
But that error seems to be telling you there's some invalid UTF8 data in your source file. That means that the copy utility has detected or guessed that you're feeding it a UTF8 file.
If you're running under some variant of Unix, you...
Schrödingers MySQL table: exists, yet it does not
I am having the weirdest error of all.
11 Answers
11
...
No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
Why is exception.printStackTrace() considered bad practice?
...System.err PrintStream. The System.err stream and the underlying standard "error" output stream of the JVM process can be redirected by
invoking System.setErr() which changes the destination pointed to by System.err.
or by redirecting the process' error output stream. The error output stream may b...
python: SyntaxError: EOL while scanning string literal
I have the above-mentioned error in s1="some very long string............"
15 Answers
...
How do I resolve configuration errors with Nant 0.91?
After downloading Nant 0.91, I'm getting some rather cryptic configuration errors relating to configuration or security (see below).
...
error opening HPROF file: IOException: Unknown HPROF Version
...
I was getting a 'permission denied' error in the tools directory nevertheless. I had to chmod permissions in that directory in order for it to work.
– IgorGanapolsky
Feb 23 '12 at 23:56
...
Why does the order in which libraries are linked sometimes cause errors in GCC?
Why does the order in which libraries are linked sometimes cause errors in GCC?
9 Answers
...
PHP + MySQL transactions examples
... rollback the transaction
$db->rollback();
throw $e; // but the error must be handled anyway
}
Note that, with this idea, if a query fails, an Exception must be thrown:
PDO can do that, depending on how you configure it
See PDO::setAttribute
and PDO::ATTR_ERRMODE and PDO::ERRMODE_EXCE...