大约有 45,000 项符合查询结果（耗时：0.1099秒） [XML]
Splitting on first occurrence
... of occurrences in which method split() is being applied. Method will find and apply only first 'mango' string.
– Alex
Jul 1 '17 at 6:57
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iOS Equivalent For Android Shared Preferences
I am porting an Android app to iOS, one thing I used was the Shared Preferences in Android to save each time a level was complete.
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MySQL show current connection info
...ER();
This will return something like root@localhost so you get the host and the user.
To get the current database run this statement:
SELECT DATABASE();
Other useful functions can be found here: http://dev.mysql.com/doc/refman/5.0/en/information-functions.html
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What is the IntelliJ shortcut key to create a javadoc comment?
In Eclipse, I can press Alt + Shift + J and get a javadoc comment automatically generated with fields, returns, or whatever would be applicable for that specific javadoc comment. I'm assuming that IntelliJ IDEA has this feature. Can anyone tell me if there is a keyboard shortcut for this?
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Multiple select statements in Single query
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"Operand should contain 1 column(s)" - only if your merged tables differ in columns count. They should match. 1 column per table in this example.
– Zon
Apr 22 '16 at 10:54
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Eclipse Android and gitignore
...itHub, it also includes amongst other things the .project, I disagree here and want your opinion. Scenario: I added new classes to my project. When I pulled from another machine, they were not in the project. Please check it out: github.com/github/gitignore/blob/master/Global/…
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Prevent tabstop on A element (anchor link) in HTML
...rt the tabindex="-1" attribute, but not all of them, since this is not a standard behaviour.
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Wrapping null-returning method in Java with Option in Scala?
...ause Try is not about nullability checking but just a way to functionally handle exceptions.
Using Try to catch an exception and converting that to an Option for convenience will only show None in case an exception happens.
scala> Try(1/0).toOption
res11: Option[Int] = None
You want to preser...
github markdown colspan
... I understood that Pipes are ether optional at the beginning and the end, or none of them. Maybe should you add one at the end of this lines?
– Sandburg
Mar 22 '19 at 13:36
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How can I merge two hashes without overwritten duplicate keys in Ruby?
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If you have two hashes, options and defaults, and you want to merge defaults into options without overwriting existing keys, what you really want to do is the reverse: merge options into defaults:
options = defaults.merge(options)
Or, if you're using Rai...