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The role of #ifdef and #ifndef
...d" while ifndef means "if the following is not defined".
So:
#define one 0
#ifdef one
printf("one is defined ");
#endif
#ifndef one
printf("one is not defined ");
#endif
is equivalent to:
printf("one is defined ");
since one is defined so the ifdef is true and the ifndef is false. It ...
How do I obtain the frequencies of each value in an FFT?
...
The first bin in the FFT is DC (0 Hz), the second bin is Fs / N, where Fs is the sample rate and N is the size of the FFT. The next bin is 2 * Fs / N. To express this in general terms, the nth bin is n * Fs / N.
So if your sample rate, Fs is say 44.1 kHz a...
How to attach debugger to iOS app after launch?
...evice.
– James Moore
Feb 25 '14 at 20:24
4
NOTE: In Xcode 5.0.1+ it is Debug > Attach to Proce...
Most common way of writing a HTML table with vertical headers?
... |
edited Jun 16 '11 at 7:01
answered Jun 16 '11 at 6:51
Fr...
Active Record - Find records which were created_at before today
... it possible?
– Sayuj
Nov 2 '11 at 10:05
Yes I have set the relation active record class.
– Sayu...
Dictionary vs Object - which is more efficient and why?
...__init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_obj.py:
class Obj(object):
def __init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_dict.py:
all = {}
for i in range(1000000):
o = {}...
Android: alternate layout xml for landscape mode
...amp-landscape-differeent-layouts and http://www.devx.com/wireless/Article/40792/1954 for some more options.
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throw checked Exceptions from mocks with Mockito
...reates its mock.
The behavior you are specifying with the when(list.get(0)).thenThrow(new SomeException()) doesn't match the method signature in List API, because get(int index) method does not throw SomeException() so Mockito fails.
If you really want to do this, then have Mockito throw a new...
Styling text input caret
... the format with CSS.
input,
textarea {
font-size: 24px;
padding: 10px;
color: red;
text-shadow: 0px 0px 0px #000;
-webkit-text-fill-color: transparent;
}
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
color:
text-shadow: none;
-webkit-t...
Entity Framework - Add Navigation Property Manually
I generated an Entity Framework Model (4.0) from my database. I did not design the database and do not have any control over the schema, but there are a few tables that do not have foreign key constraints defined, but there is an implicit relationship defined.
...