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Why is a boolean 1 byte and not 1 bit of size?
...bably) exist computers which support 4-bit byte, you don't have 4-bit bool etc.
However, if you can design such an architecture which can address 4-bit as basic addressable unit, then you will have bool of size 4-bit then, on that computer only!
...
“You have mail” message in terminal, os X [closed]
... Hitting any key will cause it to continue to display more of the message, etc., until you read the end of it. Or you can scroll with your mouse/touchpad. You may be able to hit q to abort viewing the message (I can't test that just now, but try it).To delete all messages, you'd use command d *. To ...
Pointers vs. values in parameters and return values
...eful use of pointers to items, items are small enough to copy efficiently, etc.). Sometimes you have to think about or measure the specifics of your situation, but that's a rough guide.
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Hibernate dialect for Oracle Database 11g?
...*, ROWNUM rnum FROM (
SELECT * FROM TABLES INCLUDING JOINS, ORDERING, etc.) a
WHERE ROWNUM <= 10 )
WHERE rnum > 0;
But there can be other nuances.
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What's the difference between Require.js and simply creating a element in the DOM? [closed]
...ther systems and libraries that haven't implemented the AMD specification, etc. I tried using Require.JS in a node-webkit project, and Require.JS fought me every step of the way... Contrast that with simply ordering scripts in a certain manner... Of course, you gain lazy-loading with Require.JS, whi...
Difference between @OneToMany and @ElementCollection?
...s not a collection of entities, but a collection of simple types (Strings, etc.) or a collection of embeddable elements (class annotated with @Embeddable).
It also means that the elements are completely owned by the containing entities: they're modified when the entity is modified, deleted when the...
Heavy usage of Python at Google [closed]
... not
as fast as Java or C++, threading
sucks, memory usage is higher, etc.
One of the design constraints we face
when designing any new system is,
"what happens when the load goes up
by 10x or 100x? What happens if the
whole planet thinks your new service
is awesome?" Any technol...
Clang optimization levels
On gcc, the manual explains what -O3 , -Os , etc. translate to in terms of specific optimisation arguments ( -funswitch-loops , -fcompare-elim , etc.)
...
JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...ibrary is contained in various JARs, such as rt.jar, deploy.jar, jsse.jar, etc. When the JRE is packaged, these critical JAR files are compressed with Pack200 and stored as rt.pack, deploy.pack, jsse.pack, etc. The Java installer is supposed to uncompress them. If you are experiencing this error, ap...
NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
... features.
There are extensions being developed
for NUnit, like row-tests, etc.
Visual Studio tests take a long time
to start up for some reason. This is
better in Visual Studio 2008,
but it is still too slow
for my taste. Quickly running a test
to see if you didn't break something
can take too lo...