大约有 15,630 项符合查询结果（耗时：0.0483秒） [XML]
Removing pip's cache?
... I have pip 20.1.1 but when I try pip cache purge I get next error: ERROR: No matching packages but I installed a lot of different packages already
– Mikhail_Sam
Jun 16 at 10:59
...
What does gcc's ffast-math actually do?
...
@user: The magnitude of the error depends on the input data. It should be small relative to the result. For example, if x is smaller than 10, the error in Mystical's example will be down around 10^-10. But if x = 10e20, the error is likely to be many...
How can I set a custom date time format in Oracle SQL Developer?
...-MON-RR HH24:MI:SS
As a result, it keeps the default format, without any error.
share
|
improve this answer
|
follow
|
...
Amazon S3 direct file upload from client browser - private key disclosure
...a) {
if (err) {
results.innerHTML = 'ERROR: ' + err;
} else {
listObjs();
}
});
} else {
results.innerHTML = 'Nothing to upload.';
}
}, false);
function ...
No increment operator (++) in Ruby? [duplicate]
... x++ then Ruby expects another operand. This is why you tend to get syntax errors if you try to use ++ at the moment as Ruby takes part of the next statement as the operand. += is implemented as call + on the receiver passing the RHS as a parameter and then assign the value returned by + to the vari...
How to check if a file is empty in Bash?
...
Using the tool shellcheck can find spelling errors just fine.
– Yokai
Oct 3 '16 at 3:30
1
...
Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
...ame" in latest xcode and it failed - again!
(this time with the incorrect error: "Unable to determine the language of", one of those error messages where Apple put the wrong text in place)
share
|
...
How to create a database from shell command?
...
I get this error ERROR 1046 (3D000) at line 27: No database selected when I run echo "create database databasename" | mysql -u -u username -p command
– keerthi
Mar 15 '13 at 5:16
...
TypeError: ObjectId('') is not JSON serializable
...
Most users who receive the "not JSON serializable" error simply need to specify default=str when using json.dumps. For example:
json.dumps(my_obj, default=str)
This will force a conversion to str, preventing the error. Of course then look at the generated output to confirm...
How can you find out which process is listening on a port on Windows?
... to run your command line shell as administrator, otherwise you may get an error message about insufficient privileges. Use the "Run as administrator" option when right-clicking cmd.exe.
– Gruber
Jul 29 '14 at 11:20
...