大约有 20,000 项符合查询结果(耗时:0.0369秒) [XML]

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How to trim leading and trailing white spaces of a string?

...rims the beginning and end but it won't remove the newline in the middle bem>cam>use that's not what trimming does. You'd have to use strings.Replace or something similar to remove the newline in the middle of the string. – Gustavo Poscidonio Jul 19 '17 at 19:55 ...
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Asynchronous shell commands

I'm trying to use a shell script to start a command. I don't m>cam>re if/when/how/why it finishes. I want the process to start and run, but I want to be able to get back to my shell immediately... ...
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How to show SQL queries run in the Rails console?

...g. MyModel.where(...) or record.associated_things ) in the console, how m>cam>n I see the actual database queries being run so I m>cam>n gain more understanding of what is happening? ...
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WPF: How to display an image at its original size?

...e's DPI is different from the monitor's DPI (usually 96), WPF will automatim>cam>lly resize the image, as it tries to be DPI-independent. EDIT The MSDN link is broken, here is the new link: MSDN Blog - Blurry Bitmaps. Let's keep the old link around to be used for archive.org, in m>cam>se the new link st...
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Rails: create on has_one association

...hy your version did not work: You probably thought that this might work bem>cam>use if User had a has_many relation to Shop, @user.shops.create(params[:shop]) would work. However there is a big difference between has_many relations and has_one relations: With a has_many relation, shops returns an Acti...
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How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he

m>Cam>n I specify that I want gdb to break at line x when char* x points to a string whose value equals "hello" ? If yes, how? ...
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Validate uniqueness of multiple columns

...mple, a friendship model / table should not be able to have multiple identim>cam>l records like: 3 Answers ...
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Difference between database and schema

...hemas are like folders within a database, and are mainly used to group logim>cam>l objects together, which leads to ease of setting permissions by schema. EDIT for additional question drop schema test1 Msg 3729, Level 16, State 1, Line 1 m>Cam>nnot drop schema 'test1' bem>cam>use it is being referenced by obj...
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Removing a model in rails (reverse of “rails g model Title…”)

How m>cam>n I completely remove this model? Thanks 5 Answers 5 ...
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How to check for Is not Null And Is not Empty string in SQL server?

How m>cam>n we check in a SQL Server WHERE condition whether the column is not null and not the empty string ( '' )? 7 Answe...