大约有 47,000 项符合查询结果(耗时:0.0416秒) [XML]

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Copy all the lines to clipboard

... on Mac copy selected part: visually select text(type v or V in normal mode) and type :w !pbcopy copy the whole file :%w !pbcopy past from the clipboard :r !pbpaste ...
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ERROR: Error 1005: Can't create table (errno: 121)

...y used somewhere else To check constraints use the following SQL query: SELECT constraint_name, table_name FROM information_schema.table_constraints WHERE constraint_type = 'FOREIGN KEY' AND table_schema = DATABASE() ORDER BY constraint_name; Look for more information there,...
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How do you maintain development code and production code? [closed]

...ready to be deployed into production at any time: the next release, with a selected set of feature branches merged in master. dev (or integration branch, or 'next') is the one where the feature branch selected for the next release are tested together maintenance (or hot-fix) branch is the one for th...
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How to check file MIME type with javascript before upload?

...d see three remote images of different types displayed. At the top you can select a local image or data file, and the file signature and/or MIME type will be displayed. Notice that even if an image is renamed, its true MIME type can be determined. See below. Screenshot // Return the first...
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Import CSV to SQLite

...ables .tables Find your table schema .schema tripdata Find table data select * from tripdata limit 10; Count the number of rows in the table select count (*) from tripdata; share | improve ...
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How can I debug a HTTP POST in Chrome?

... get list of http queries that happened, while the network console was on. Select one of them in the left Choose "Headers" tab Voila! share | improve this answer | follow...
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Creating a dynamic choice field

... @Ashok How could the CheckboxSelectMultiple widget be used in this instance? For the modelform especially. – wasabigeek Aug 14 '15 at 18:22 ...
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Create two blank lines in Markdown

...f them and comment them differences # RAW ## Creates 2 Lines that CAN be selected as text ## ------------------------------------------------- ### The non-breaking space ASCII character     ### HTML <(br)/> tag <br /> <br /> ## Creates 2 Lines that CANNOT be...
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How can I trim leading and trailing white space?

...lti-line strings, despite \n being in the covered character class. trimws("SELECT\n blah\n FROM foo;") still contains newlines. – Jubbles Dec 31 '15 at 1:10 ...
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Windows equivalent of the 'tail' command

...n*}" Tail Command: powershell -command "& {Get-Content *filename* | Select-Object -last *n*}" or, directly from PowerShell: Get-Content *filename* -TotalCount *n* Get-Content *filename* | Select-Object -last *n* update PowerShell 3.0 (Windows 8 and higher) added Tail command with alias...