大约有 47,000 项符合查询结果（耗时：0.0611秒） [XML]
Wait for a process to finish
... solution for MacOS that does not use polling.
– Alexander Mills
Feb 28 '18 at 16:58
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How do short URLs services work?
...n the database, they find a description (sometimes), your name (sometimes) and the real URL. Then they issue a redirect, which is a HTTP 302 response and the target URL in the header.
This direct redirect is important. If you were to use files or first load HTML and then redirect, the browser would...
OOP vs Functional Programming vs Procedural [closed]
What are the differences between these programming paradigms, and are they better suited to particular problems or do any use-cases favour one over the others?
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How to get the first element of the List or Set? [duplicate]
... for most implementations of Set. This may have meaning for LinkedHashSet and TreeSet, but not for HashSet.)
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Should I use JSLint or JSHint JavaScript validation? [closed]
I am currently validating my JavaScript against JSLint and making progress on, it's assisting me to write better JavaScript - in particular in working with the Jquery library.
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Regex empty string or email
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This regex pattern will match an empty string:
^$
And this will match (crudely) an email or an empty string:
(^$|^.*@.*\..*$)
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Is it safe to use Project Lombok? [closed]
...ps with some of the annoyances of Java with stuff like generating getters and setters with annotations and even simple JavaBean like generation with @Data . It could really help me, especially in 50 different event objects where you have up to 7 different fields that need to be constructed and hi...
How to switch a user per task or set of tasks?
...ng theme that's in my ansible playbooks is that I often must execute a command with sudo privileges ( sudo: yes ) because I'd like to do it for a certain user. Ideally I'd much rather use sudo to switch to that user and execute the commands normally. Because then I won't have to do my usual post com...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
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A query may fail for various reasons in which case both the mysql_* and the mysqli extension will return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly.
mysql_* extension:
NOTE The mysql_ functions are deprecated a...
Why unsigned integer is not available in PostgreSQL?
...post ( What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL? ) and realized that PostgreSQL does not support unsigned integer.
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