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Map enum in JPA with fixed values?

I'm looking for the different ways to map an enum using JPA. I especially want to set the integer value of each enum entry and to save only the integer value. ...
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Detect backspace in empty UITextField

...yTextField - (void)deleteBackward { [super deleteBackward]; if ([_myDelegate respondsToSelector:@selector(textFieldDidDelete)]){ [_myDelegate textFieldDidDelete]; } } @end Now simply add MyTextFieldDelegate to your UIViewController and set your UITextFields myDelegate to sel...
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MySQL case insensitive select

...ble statement this way instead: varchar(20) CHARACTER SET utf8 COLLATE utf8_bin – gregthegeek Mar 19 '14 at 18:56 ...
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How to add images to README.md on GitHub?

...ectory not the repo, so if you have 'myimage.png' in the same dir as 'about_pics.md' then the markup is:![What is this](myimage.png) – Rich Mar 8 '17 at 2:06 ...
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Start may not be called on a promise-style task. exception is coming

...s already started the task before giving it to you. You should only ever call Start on a task that you create by calling its constructor, and you shouldn't even do that unless you have a compelling reason to not start the task when you create it; if you want it started right away you should use Tas...
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How do I parse a string to a float or int?

... Python method to check if a string is a float: def is_float(value): try: float(value) return True except: return False A longer and more accurate name for this function could be: is_convertible_to_float(value) What is, and is not a float in Python may surpris...
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Undo git update-index --skip-worktree

... are marked with S. Edit: As @amacleod mentioned, making an alias to list all the hidden files is a nice trick to have so that you don't need to remember it. I use alias hidden="git ls-files -v | grep '^S'" in my .bash_profile. It works great! ...
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Usages of Null / Nothing / Unit in Scala

...wered Apr 23 '13 at 16:40 pagoda_5bpagoda_5b 6,84711 gold badge2323 silver badges3737 bronze badges ...
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Meaning of $? (dollar question mark) in shell scripts

.../drush status bootstrap | grep -q $(vendor/bin/drush php-eval 'if (function_exists("t")) echo t("Successful");') &> /dev/null;. If I had to put that in a single line if [ ... ] it would be terribly unreadable. I plan to store the output of that line to a variable so I can just say if [ $drupa...
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ReactJS render string with non-breaking spaces

... contain characters such as &. It also contains spaces. I want to replace all spaces with   . 6 Answers ...