大约有 800 项符合查询结果(耗时:0.0207秒) [XML]

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How to reset or change the MySQL root password?

... Worked with mysql v 5.0 as well... sudo dpkg-reconfigure mysql-server-5.0 – dsghi Feb 24 '15 at 3:19 ...
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How to set a default value for a datetime column to record creation time in a migration?

...ere is a sample migration: class CreatePosts < ActiveRecord::Migration[5.0] def change create_table :posts do |t| t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' } t.timestamps end end end See discussion at https://github.com/rails/rails/issues/27077 and ...
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Can overridden methods differ in return type?

... Yes it may differ but their are some limitations. Before Java 5.0, when you override a method, both parameters and return type must match exactly. In Java 5.0, it introduces a new facility called covariant return type. You can override a method with the same signature but returns a subc...
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Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta

...port/import sequence. Picture for XCode 4.6 added by WP Edit for XCode 5.0 or newer: Open XCode -> Preferences ('Command' + ',') Select the Apple ID from the list. Click on the SETTING icon near the bottom-left corner of window, and choose EXPORT ACCOUNTS... Xcode asks you to choose a file...
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How to Detect if I'm Compiling Code with a particular Visual Studio version?

...7 version 15.3) MSVC++ 14.1 _MSC_VER == 1910 (Visual Studio 2017 version 15.0) MSVC++ 14.0 _MSC_VER == 1900 (Visual Studio 2015 version 14.0) MSVC++ 12.0 _MSC_VER == 1800 (Visual Studio 2013 version 12.0) MSVC++ 11.0 _MSC_VER == 1700 (Visual Studio 2012 version 11.0) MSVC++ 10.0 _MSC_VER == 160...
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How to properly import a selfsigned certificate into Java keystore that is available to all Java app

... D:\Java\jdk1.5.0_10\bin\keytool -import -file "D:\Certificates\SDS services\Dev\dev-sdsservices-was8.infavig.com.cer" -keystore "D:\Java\jdk1.5.0_10\jre\lib\security\cacerts" -alias "sds certificate" ...
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MySQL remove all whitespaces from the entire column

...ol_name` = REPLACE(`col_name`, '\n', '') http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_replace To remove first and last space(s) of column : UPDATE `table` SET `col_name` = TRIM(`col_name`) http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_trim ...
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Flat file databases [closed]

... SQLite was build into 5.0+ by default, but discountinued (!) from PHP 5.4+ on !!! As I write this in July 2012, SQLite will not work on up-to-date systems anymore by default. Official statement here – Sliq Ju...
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UIView with rounded corners and drop shadow?

... = [[UIView alloc] initWithFrame: frame]; roundedView.layer.cornerRadius = 5.0; roundedView.layer.masksToBounds = YES; UIView* shadowView = [[UIView alloc] initWithFrame: frame]; shadowView.layer.shadowColor = [UIColor blackColor].CGColor; shadowView.layer.shadowRadius = 5.0; shadowView.layer.shado...
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How do you set a default value for a MySQL Datetime column?

...ing like the payment plan for a 30-year mortgage. dev.mysql.com/doc/refman/5.0/en/datetime.html – Kip Sep 27 '11 at 17:01 ...