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Java 7 language features with Android
Just wondering if anyone has tried using new Java 7 language features with Android?
I know that Android reads the bytecode that Java spits out and turns it to dex. So I guess my question is can it understand the bytecode of Java 7?
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Using Transactions or SaveChanges(false) and AcceptAllChanges()?
I have been investigating transactions and it appears that they take care of themselves in EF as long as I pass false to SaveChanges() and then call AcceptAllChanges() if there are no errors:
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How can I get Knockout JS to data-bind on keypress instead of lost-focus?
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<body>
<p>First name: <input data-bind="value: firstName, valueUpdate: 'afterkeydown'" /></p>
<p>Last name: <input data-bind="value: lastName, valueUpdate: 'afterkeydown'" /></p>
<h2>Hello, <span ...
Does Java 8 provide a good way to repeat a value or function?
In many other languages, eg. Haskell, it is easy to repeat a value or function multiple times, eg. to get a list of 8 copies of the value 1:
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foldl versus foldr behavior with infinite lists
The code for the myAny function in this question uses foldr. It stops processing an infinite list when the predicate is satisfied.
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Recommended way to save uploaded files in a servlet application
I read here that one should not save the file in the server anyway as it is not portable, transactional and requires external parameters. However, given that I need a tmp solution for tomcat (7) and that I have (relative) control over the server machine I want to know :
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Insert line break inside placeholder attribute of a textarea?
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What you could do is add the text as value, which respects the line break \n.
$('textarea').attr('value', 'This is a line \nthis should be a new line');
Then you could remove it on focus and apply it back (if empty) on blur. Something like this
var placeholder = 'This is a line \nthi...
What are the differences between .so and .dylib on osx?
...ch-O object file format used by Mac OS X for executables and libraries distinguishes between shared libraries and dynamically loaded modules. Use otool -hv some_file to see the filetype of some_file.
Mach-O shared libraries have the file type MH_DYLIB and carry the extension .dylib. They can be lin...
throw new std::exception vs throw std::exception
while looking at some code I stumbled onto:
5 Answers
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Select n random rows from SQL Server table
I've got a SQL Server table with about 50,000 rows in it. I want to select about 5,000 of those rows at random. I've thought of a complicated way, creating a temp table with a "random number" column, copying my table into that, looping through the temp table and updating each row with RAND() , and ...