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Python memoising/deferred lookup property decorator

... Tip: Put a @wraps(fn) below @property to not loose your doc strings etc. (wraps comes from functools) – letmaik May 29 '14 at 10:12  |  ...
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How do I rename a project in Xcode 5?

...t will include the info.plist and various files, but also all the relevant strings from nib/xib files like MainMenu menus. Accept the changes and you will get the prompt to save a snapshot of the project. Always make a snapshot when Xcode asks, it will be useful to restore if something does not wor...
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Storing money in a decimal column - what precision and scale?

...es are stored using an integer for the smallest unit. class Currency { String code; // eg "USD" int value; // eg 2500 boolean converted; } class Price { Currency grossValue; Currency netValue; Tax taxRate; } In the database, the values are stored as a string in ...
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How to convert java.util.Date to java.sql.Date?

... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Hibernate 5 & JPA 2.2 support java.time. Where to obtain the java.time classes? Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bun...
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Access lapply index names inside FUN

...vector instead of the vector itself. But note that you can always pass in extra arguments to the function, so the following works: x <- list(a=11,b=12,c=13) # Changed to list to address concerns in commments lapply(seq_along(x), function(y, n, i) { paste(n[[i]], y[[i]]) }, y=x, n=names(x)) He...
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How to force use of overflow menu on devices with menu button

... android:showAsAction="never" android:title="@string/overflow_item1_title"/> <item android:id="@+id/menu_overflow_item2" android:showAsAction="never" android:title="@string/overflow_item2_title"/> ...
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What is cardinality in MySQL?

...m Percona: CREATE TABLE `antest` ( `i` int(10) unsigned NOT NULL, `c` char(80) default NULL, KEY `i` (`i`), KEY `c` (`c`,`i`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 mysql> select count(distinct c) from antest; +-------------------+ | count(distinct c) | +-------------------+ | ...
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How to detect if a function is called as constructor?

...ert(isConstructor); } Obviously this is not ideal, since you now have an extra useless property on every object constructed by x that could be overwritten, but I think it's the best you can do. (*) "instance of" is an inaccurate term but is close enough, and more concise than "object that has bee...
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Can someone explain mappedBy in JPA and Hibernate?

... at any side of mapping but perform at only one side . It will remove the extra column of foreign key constraint on the table on which class it is applied. For eg . If we apply mapped by in Employee class on employee object then foreign key from Employee table will be removed. ...
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How do you get a list of the names of all files present in a directory in Node.js?

...s was the best solution for me as i wanted to specify filetype easier than string comparisons. Thanks. – Pogrindis Oct 26 '14 at 20:09 ...