大约有 45,000 项符合查询结果（耗时：0.0674秒） [XML]
How do I check if a directory exists? “is_dir”, “file_exists” or both?
...tory, !file_exists($dir) will return false, folder will not be created, so error "failed to open stream: No such file or directory" will be occured. In Windows there is a difference between 'file' and 'folder' types, so need to use file_exists() and is_dir() at the same time, for ex.:
if (file_exis...
How do I count a JavaScript object's attributes? [duplicate]
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EDIT: this will case errors with jquery to happen, plus some other inconveniences. YOU SHOULD NOT USE IT: (perhaps if one could add a privaate method instead of a public property function, this would be OK, but don't have the time now). Community...
Javascript Array.sort implementation?
...me description than simply O(N).
(Thanks to phsource for pointing out the error in the original answer.)
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How to get .app file of a xcode application
...t is not code signed - you will get an "Could not copy validate signature" error. So change it to "iOS device" and build (remember to select the right certificates in the build section of Xcode as per the url info above). In that same build section, you can also set the "Installation Build Products ...
How can I display a pdf document into a Webview?
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After testing it persistently for 2 days, I got an error on Google docs saying You've reached the bandwidth limit for viewing or downloading files that aren't in Google Docs format..... So doesn't seem reliable.
– Shobhit Puri
Nov 7 '14 ...
Looking for ALT+LeftArrowKey solution in zsh
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bindkey solution would make annoying error sound on Mac. This should be the right way to do it.
– Weishi Zeng
Jun 30 '18 at 6:42
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Import an existing git project into GitLab?
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It gives me the error: remote: GitLab: You are not allowed to force push code to a protected branch on this project. To 10.0.100.89:8496/project/james-project.git ! [remote rejected] master -> master (pre-receive hook declined)
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How do I see active SQL Server connections?
...atabases only? WHERE dbname = 'database name' ?? I tried this and I got an error
– NULL.Dude
Sep 20 '17 at 16:18
2
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Block Declaration Syntax List
... in your list)? Logical BlockType ^blockVar = Anonymous Block shows syntax error, without ^ too :(
– esp
May 20 '13 at 14:49
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Unknown Column In Where Clause
... attachmentcount
FROM nodes
WHERE attachmentcount > 0;
You'll get an error "Unknown column 'attachmentcount' in WHERE clause".
Solution is actually fairly simple - just replace the alias with the statement which produces the alias, eg:
SELECT nodes.*, (SELECT (COUNT(*) FROM attachments
WHER...