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What exactly is metaprogramming?
...out of Lisp data
objects. And not in the trivial sense
that the source files contain
characters, and strings are one of the
data types supported by the language.
Lisp code, after it's read by the
parser, is made of data structures
that you can traverse.
If you understand how compi...
Beyond Stack Sampling: C++ Profilers
...py, and as we speak, VTune is installing. I've tried to use the VS2008 profiler, and it's been positively punishing as well as often insensible. I've used the random pause technique. I've examined call-trees. I've fired off function traces. But the sad painful fact of the matter is that the app...
How to unit test an object with database queries
...some", "really cool" and "all manner of good things" but 70% or more of my files involve database access (some read and some write) and I'm not sure how to write a unit test for these files.
...
MIN and MAX in C
...e the use of __typeof__ instead of typeof:
If you are writing a header file that
must work when included in ISO C
programs, write __typeof__ instead of
typeof.
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What is the purpose of mock objects?
...s the cook returns the correct dish for each order.
Its harder to test a middle component, like the waiter, that utilizes the behavior of other components. A naive tester might test the waiter component the same way we tested the cook component:
cook <- waiter <- test driver
The test driv...
What exactly does the post method do?
...hich implements Runnable.
getView().post(new Runnable() {
@Override
public void run() {
getView().startAnimation(a);
}
});
code : getView().startAnimation(a);
in your code,
post causes the Runnable (the code will be run a in different thread) to ad...
$(document).ready equivalent without jQuery
...his might not suit everyone's purposes since it requires changing the HTML file rather than just doing something in the JavaScript file a la document.ready, but still...
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Why is “throws Exception” necessary when calling a function?
...f the program. They usually are not the programmer's fault. For example, a file specified by user is not readable, or no network connection available, etc., In all these cases, our program doesn't need to exit, instead it can take actions like alerting the user, or go into a fallback mechanism(like ...
Populate data table from data reader
...aTable directly from a data reader using the Load() method that accepts an IDataReader.
var dataReader = cmd.ExecuteReader();
var dataTable = new DataTable();
dataTable.Load(dataReader);
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How do I tell git-svn about a remote branch created after I fetched the repo?
... the new tree but remotes/newbranch will still be disconnected.
Go to the file .git/refs/remotes/newbranch and edit it to contain the full SHA1 of the new commit (on the rebased newbranch) that corresponds to the old commit it's currently pointing at. (Or maybe use git-update-ref refs/remotes/newbr...