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Difference between save and saveAndFlush in Spring data jpa

...mory, until flush or commit commands are issued. But be aware, that even if you flush the changes in transaction and do not commit them, the changes still won't be visible to the outside transactions until the commit in this transaction. In your case, you probably use some sort of transactions me...
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How can I load an object into a variable name that I specify from an R data file?

...ssion. Is there a way to safely load an object from a data file into a specified variable name without risk of clobbering existing variables? ...
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Troubleshooting “Illegal mix of collations” error in mysql

... two strings of incompatible collation or by attempting to select data of different collation into a combined column. The clause COLLATE allows you to specify the collation used in the query. For example, the following WHERE clause will always give the error you posted: WHERE 'A' COLLATE latin1_g...
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What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]

... For longitudes use: Decimal(9,6), and latitudes use: Decimal(8,6) If you're not used to precision and scale parameters, here's a format string visual: ###.###### and ##.###### share | impr...
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Which access modifiers are implied when not specified?

For all of the different concepts that support access modifiers, such as fields, properties, methods and classes, which access modifiers are implied if not specified? ...
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Using Jasmine to spy on a function without an object

... If you are defining your function: function test() {}; Then, this is equivalent to: window.test = function() {} /* (in the browser) */ So spyOn(window, 'test') should work. If that is not, you should also be able to: ...
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Convert SQLITE SQL dump file to POSTGRESQL

...ed my local database with a huge amount of data and need to transfer a specific table to the production database. 7 Answers...
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How to make a transparent UIWebView

...e detail view I have to display some text and a background image (text is different for each row, but the image remains the same). The easiest way, in my opinion, is to put the text in an .rtf file and display it in a UIWebView . Then just put a UIImageView behind the UIWebView . ...
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Find the host name and port using PSQL commands

...ur hosting provider; I'd guess it would be the same host as the web server if one wasn't specified. Typically this would be configured as localhost, assuming your web server and database server are on the same host. share ...
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Difference between virtual and abstract methods [duplicate]

...omething, and any subclasses CAN override the method using the override modifier and provide a custom implementation. public abstract class E { public abstract void AbstractMethod(int i); public virtual void VirtualMethod(int i) { // Default implementation which can be overridd...