大约有 13,066 项符合查询结果(耗时:0.0334秒) [XML]

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Lost my schema.rb! Can it be regenerated?

Due to some deployment issues I stopped tracking schema.rb in git. Somehow I have stuffed this up and somewhere along the way my schema.rb file has disappeared. ...
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How do I get list of all tables in a database using TSQL?

...MA.TABLES WHERE TABLE_TYPE='BASE TABLE' To show only tables from a particular database SELECT TABLE_NAME FROM <DATABASE_NAME>.INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' Or, SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE...
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What is the difference between ? and Object in Java generics?

I'm using Eclipse to help me clean up some code to use Java generics properly. Most of the time it's doing an excellent job of inferring types, but there are some cases where the inferred type has to be as generic as possible: Object. But Eclipse seems to be giving me an option to choose between a...
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]

I try to execute the following command : 5 Answers 5 ...
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NSUserDefaults not cleared after app uninstall on simulator

this may sound real NOOB! I want to check if it's the second time the user enters my application, so to keep the run count I'm using NSUserDefaults . I have implemented the following code in my rootViewController 's viewDidLoad method: ...
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Do you have to restart apache to make re-write rules in the .htaccess take effect?

I have pushed my .htaccess files to the production severs, but they don't work. Would a restart be the next step, or should I check something else. ...
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Why is #!/usr/bin/env bash superior to #!/bin/bash?

I've seen in a number of places, including recommendations on this site ( What is the preferred Bash shebang? ), to use #!/usr/bin/env bash in preference to #!/bin/bash . I've even seen one enterprising individual suggest using #!/bin/bash was wrong and bash functionality would be lost by doing...
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What is the difference between single-quoted and double-quoted strings in PHP?

I'm a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes. 12 Ans...
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Python group by

Assume that I have a set of data pair where index 0 is the value and index 1 is the type: 6 Answers ...
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Checking a Python module version at runtime

Many third-party Python modules have an attribute which holds the version information for the module (usually something like module.VERSION or module.__version__ ), however some do not. ...