大约有 30,000 项符合查询结果（耗时：0.0436秒） [XML]
How can I force Powershell to return an array when a call only returns one object?
...eck the data type of the variable...
IF ($ServerIps -isnot [array])
{ <error message> }
ELSE
{ <proceed> }
share
|
improve this answer
|
follow
|...
RegEx: Grabbing values between quotation marks
...
With python this raises an error: sre_constants.error: cannot refer to open group
– a1an
Jun 12 '15 at 10:43
12
...
How can I deploy an iPhone application from Xcode to a real iPhone device?
...ject settings from iphoneos to iOS 4.3, things work. Although xcode says 'Error launching remote program: failed to get the task for process' I can launch the app by clicking on it.
– nosatalian
Aug 10 '11 at 5:34
...
Array to Hash Ruby
...try this method with a large array, it will fill up the stack and cause an error (an error along the same lines as a stack overflow).
– Ben Lee
Mar 13 '14 at 0:02
...
How to check if a file contains a specific string using Bash
...example is incorrect, as it only checks if the exit code was non-0. If any error happens, like the file can't be read, the exit code is also non-0. So you have to do something like ec=$?, and check if it's 0 (found), then if it's 1 (not found), and then if it's something else (fail).
...
Mark parameters as NOT nullable in C#/.NET?
...ort around non-nullability I agree. I would also like to see compile-time errors being raised.
– AndrewJacksonZA
Oct 2 '09 at 12:25
2
...
How do I fetch lines before/after the grep result in bash?
...e the -B and -A to print lines before and after the match.
grep -i -B 10 'error' data
Will print the 10 lines before the match, including the matching line itself.
share
|
improve this answer
...
Integrating MySQL with Python in Windows
... I installed python 2.7 x64 but while importing MySQLdb I'm getting 'ImportError: No module named _mysql_windows.api' error. pls anyone help me to solve this issue.
– Vilva
Aug 3 '12 at 12:15
...
Get index of element as child relative to parent
...
None of the code snippets on my answer produce that error - you can press "Run code snippet" to see them working. If you're getting that error, you're using different code - it sounds like you're using jQuery, but my answer is showing how to accomplish this sort of thing witho...
Phone: numeric keyboard for text input
... can disable this using the novalidate attribute, or you can customize the error message for a failed validation using the title attribute.
If you need to be able to enter leading zeros, commas, or letters - for example, international postal codes - check out this slight variant.
Credits and ...