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Android - Pulling SQlite database android device
...dst = new FileOutputStream(backupDB).getChannel();
dst.transferFrom(src, 0, src.size());
src.close();
dst.close();
}
}
} catch (Exception e) {
}
Don't forget to set the permission to write on SD in your manifest, like below.
<uses-permission and...
What is the memory consumption of an object in Java?
...r 32-bit JVMs, the overhead is 8 bytes, padded to a multiple of 4 bytes. (From Dmitry Spikhalskiy's answer, Jayen's answer, and JavaWorld.)
Typically, references are 4 bytes on 32bit platforms or on 64bit platforms up to -Xmx32G; and 8 bytes above 32Gb (-Xmx32G). (See compressed object references...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
Maybe I am not from this planet, but it would seem to me that the following should be a syntax error:
20 Answers
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Issue with adding common code as git submodule: “already exists in the index”
...projects. I created a separate git repo for the common code and removed it from the projects with the plan to add it as a git submodule.
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How should equals and hashcode be implemented when using JPA and Hibernate
...ve an id and thus you're using hashCode() based on that id. It's different from above and would have placed your entity in the bucket #2. Now, assuming you hold a reference to this entity elsewhere, try calling Set.contains(entity) and you'll get back false. Same goes for get() / put() / etc...
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Default value to a parameter while passing by reference in C++
... and that is on a constructor. It is not possible to call one constructor from another, and so this technique does not work in that case.
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How to check whether dynamically attached event listener exists or not?
...;
}
Step 4: Finally, you will need a function that can delete a listener from the storage object.
/* The function that removes a listener from a given element & its storage record. */
function removeListener (element, event, listener, options) {
/* Use the element given to retrieve the re...
Make elasticsearch only return certain fields?
...mapping. Otherwise ES will still load the _source document and load fields from there. May impact performance if returned data is relatively small to the size of a whole document.
– Zaar Hai
Aug 18 '13 at 10:19
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what is the difference between XSD and WSDL
...chema mentioned in XSD then it is impossible to expect correct information from the company in Chicago. There is so much to do after the above said story, which an amateur or newbie have to know while coding for some thing like I said above. If you really want to know what happens later then it is ...
Repeat String - Javascript
...ueOf() (clears one obvious type conversion);
added if (count < 1) check from prototypejs to the top of function to exclude unnecessary actions in that case.
applied optimisation from Dennis answer (5-7% speed up)
UPD
Created a little performance-testing playground here for those who interested...