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@Transactional(propagation=Propagation.REQUIRED)
...he current database connection.
This @Transactional annotation provides a means of telling your code when it executes that it must have a Transaction. It will not run without one, so you can make this assumption in your code that you wont be left with incomplete data in your database, or have to cl...
Concurrent vs serial queues in GCD
...saying whether the execution goes OR doesn't go to the next instruction? I mean, if I dispatch a task SYNC the code will block until that tasks finishes, no matter what queue it's executed on?
– Bogdan Alexandru
Oct 4 '13 at 11:22
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How to improve performance of ngRepeat over a huge dataset (angular.js)?
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Do you mean display a "loading..." or something while the data is being fetched?
– Bertrand
Jan 10 '14 at 18:16
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Is it possible to decrypt MD5 hashes?
...e transformation.
Think about this: An MD5 is always 128 bits long. That means that there are 2128 possible MD5 hashes. That is a reasonably large number, and yet it is most definitely finite. And yet, there are an infinite number of possible inputs to a given hash function (and most of them conta...
How to pass a single object[] to a params object[]
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A simple typecast will ensure the compiler knows what you mean in this case.
Foo((object)new object[]{ (object)"1", (object)"2" }));
As an array is a subtype of object, this all works out. Bit of an odd solution though, I'll agree.
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How to get row from R data.frame
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do you mean this instead? subset(x, A==5 && B==4.25 && C==4.5)
– momeara
Jul 8 '10 at 20:23
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Should JAVA_HOME point to JDK or JRE?
... threads. For one, just because the basic principle was answered doesn’t mean the answer was well formed or even helpful. My answer is not at all the same as the previous responses. The answer I provided, came with precise instructions
– nexogen.io
Oct 26 '18...
Coding in Other (Spoken) Languages
...nglish is not the subject here but programming language reserved words. I mean, when I started about 10 yrs ago, I didn't have any clue of English, and still I was able to program simple things by learning the programming language, even when I did not know what they meant ( in English ). As a matte...
initializing a boolean array in java
...All arrays in Java are initialized to the default value for the type. This means that arrays of ints are initialised to 0, arrays of booleans are initialised to false and arrays of reference types are initialised to null.
sh...
What does %w(array) mean?
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%w(foo bar) is a shortcut for ["foo", "bar"]. Meaning it's a notation to write an array of strings separated by spaces instead of commas and without quotes around them. You can find a list of ways of writing literals in zenspider's quickref.
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