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How to avoid 'cannot read property of undefined' errors?
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edited Jan 21 at 17:29
Brandon Dyer
99088 silver badges1717 bronze badges
answered Feb 20...
Android - Package Name convention
...assing :S
– Amir Uval
Jul 29 '12 at 21:06
7
@androiddeveloper - All alphanumeric characters, '.' ...
static constructors in C++? I need to initialize private static objects
...t ordinary class.
class StaticStuff
{
std::vector<char> letters_;
public:
StaticStuff()
{
for (char c = 'a'; c <= 'z'; c++)
letters_.push_back(c);
}
// provide some way to get at letters_
};
class Elsewhere
{
static StaticStuff staticSt...
How to filter None's out of List[Option]?
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edited Feb 21 '19 at 10:04
answered Mar 27 '18 at 11:26
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adding noise to a signal in python
...umpy as np
import matplotlib.pyplot as plt
t = np.linspace(1, 100, 1000)
x_volts = 10*np.sin(t/(2*np.pi))
plt.subplot(3,1,1)
plt.plot(t, x_volts)
plt.title('Signal')
plt.ylabel('Voltage (V)')
plt.xlabel('Time (s)')
plt.show()
x_watts = x_volts ** 2
plt.subplot(3,1,2)
plt.plot(t, x_watts)
plt.title...
How do I add the contents of an iterable to a set?
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ArtOfWarfare
16.7k1313 gold badges112112 silver badges159159 bronze badges
answered Oct 28 '10 at 18:55
John MachinJohn Machin
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What's the difference between size_t and int in C++?
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– chux - Reinstate Monica
Jul 7 '15 at 21:51
add a comment
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How to scroll to specific item using jQuery?
...amesJames
101k2828 gold badges155155 silver badges172172 bronze badges
4
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Checking for empty queryset in Django
...is the code I refer to is only an example that it contains a line if not my_objects: to demonstrate that this is how they do it in the docs. All else is utterly irrelevant so I do not get your point. They could as well make a thousand queries and it would still be totally irrelevant as this is not t...
Removing colors from output
...each line.
– doudy_05
Dec 29 '19 at 21:08
@doudy_05 Try to pass -E flag for sed to enable extended regexp.
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