大约有 10,200 项符合查询结果（耗时：0.0244秒） [XML]
What is a monad?
...hout any conditional testing from you. (The Failure Monad.)
Extending this idea, you can implement "exceptions". (The Error Monad or Exception Monad.) Because you're defining them yourself rather than it being a language feature, you can define how they work. (E.g., maybe you want to ignore the firs...
Make sure only a single instance of a program is running
...case AF_UNIX socket file still present after this and this destroys whole idea. Solution above with acquiring lock on specific filename is much reliable in this case.
– Danylo Gurianov
Nov 12 '13 at 13:02
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Setting “checked” for a checkbox with jQuery
...ing easier without the type conversion. Esp from disparate databases with 'ideas' about what "true" is. Fiddle: jsfiddle.net/Cyberjetx/vcp96
– Joe Johnston
Mar 4 '14 at 3:59
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INSERT IF NOT EXISTS ELSE UPDATE?
...e tried this below and it doesn't work (my syntax is obviously wrong). Any ideas on what it should be? INSERT INTO Book (Name,TypeID,Level,Seen) VALUES( 'Superman', '2', '14', '0' ) ON CONFLICT REPLACE Book (Name,TypeID,Level,Seen) VALUES( 'Superman', '2', '14', '0' )
– Sparky...
How to get ALL child controls of a Windows Forms form of a specific type (Button/Textbox)?
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I combined a bunch of the previous ideas into one extension method. The benefits here are that you get the correctly typed enumerable back, plus inheritance is handled correctly by OfType().
public static IEnumerable<T> FindAllChildrenByType<T>(th...
Socket.IO - how do I get a list of connected sockets/clients?
...array of Integers, like 0, 1 and 2 etc instead of an array of sockets. Any ideas?
– ThePixelPony
Sep 20 '14 at 7:09
ho...
How to stop an unstoppable zombie job on Jenkins without restarting the server?
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I got issue when execute this script, any idea? groovy.lang.MissingMethodException: No signature of method: hudson.model.FreeStyleBuild.finish() is applicable for argument types: (hudson.model.Result, java.io.IOException) values: [ABORTED, java.io.IOException: Aborti...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
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This is a really bad idea. Sooner or later you will want to use your name in a programming language that doesn't support hyphens in variable names (basically all of them), and then BOOM! Idiotic renaming rules.
– Timmmm
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Random record in ActiveRecord
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I haven't found an ideal way to do this without at least two queries.
The following uses a randomly generated number (up to the current record count) as an offset.
offset = rand(Model.count)
# Rails 4
rand_record = Model.offset(offset).first...
Can a variable number of arguments be passed to a function?
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@Dannid: No idea either haha... doesn't work on 2.6 or 3.2 either. I'll rename it.
– Skurmedel
Aug 16 '13 at 9:01
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