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SQL UPDATE all values in a field with appended string CONCAT not working

... That's pretty much all you need: mysql> select * from t; +------+-------+ | id | data | +------+-------+ | 1 | max | | 2 | linda | | 3 | sam | | 4 | henry | +------+-------+ 4 rows in set (0.02 sec) mysql> update t se...
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Configuring Log4j Loggers Programmatically

... You can add/remove Appender programmatically to Log4j: ConsoleAppender console = new ConsoleAppender(); //create appender //configure the appender String PATTERN = "%d [%p|%c|%C{1}] %m%n"; console.setLayout(new PatternLayout(PATTERN)); console.setThresh...
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Getting all names in an enum as a String[]

...<?>> e) { return Arrays.toString(e.getEnumConstants()).replaceAll("^.|.$", "").split(", "); } That you would call like this: String[] names = getNames(State.class); // any other enum class will work If you just want something simple for a hard-coded enum class: public static Strin...
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Error message “Forbidden You don't have permission to access / on this server” [closed]

...ronments, in addition I would like to explain some issues that you might fall into while setting up your environment. If you are looking for a quick solution and SECURITY IS NOT A MATTER, i.e development env, skip and read the original answer instead Many scenarios can lead to 403 Forbidden: A...
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Get an object properties list in Objective-C

...turn nil; } NSMutableDictionary *results = [[[NSMutableDictionary alloc] init] autorelease]; unsigned int outCount, i; objc_property_t *properties = class_copyPropertyList(klass, &outCount); for (i = 0; i < outCount; i++) { objc_property_t property = properties[i...
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How would one call std::forward on all arguments in a variadic function?

...mpiler I would do this with real variadic templates. How though, would I call std::forward on the arguments? 1 Answer ...
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Create a submodule repository from a folder and keep its git commit history

...ommit it git filter-branch --subdirectory-filter <directory 1> -- --all You should now have a git repository with the files from directory 1 in your repo's root with all related commit history. Step 4 Create your online repository and push your new repository! git remote add origin <...
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Detecting WPF Validation Errors

... This post was extremely helpful. Thanks to all who contributed. Here is a LINQ version that you will either love or hate. private void CanExecute(object sender, CanExecuteRoutedEventArgs e) { e.CanExecute = IsValid(sender as DependencyObject); } private bool IsV...
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Remove warning messages in PHP

... You really should fix whatever's causing the warning, but you can control visibility of errors with error_reporting(). To skip warning messages, you could use something like: error_reporting(E_ERROR | E_PARSE); ...
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How to convert a Git shallow clone to a full clone?

Follow-up of this so-question: if I have a shallow clone, how to fetch all older commits to make it a full clone? 6 Answe...