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How to set breakpoints on future shared libraries with a command flag
...debug Caja in one line:
gdb -ex "set breakpoint pending on" -ex "break gdk_x_error" -ex run --args caja --sync
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What is move semantics?
...regarding C++0x . Most of the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly?
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Creating email templates with Django
...e this:
from django.core.mail import EmailMultiAlternatives
subject, from_email, to = 'hello', 'from@example.com', 'to@example.com'
text_content = 'This is an important message.'
html_content = '<p>This is an <strong>important</strong> message.</p>'
msg = EmailMultiAlternat...
Multiple inheritance for an anonymous class
...ited Jun 5 '14 at 14:45
aspiring_sarge
1,84711 gold badge2222 silver badges3232 bronze badges
answered May 1 '11 at 13:04
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delete map[key] in go?
...sions = map[string] chan int{};
sessions["moo"] = make (chan int);
_, ok := sessions["moo"];
if ok {
delete(sessions, "moo");
}
}
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How can I know when an EditText loses focus?
...
Kotlin way
editText.setOnFocusChangeListener { _, hasFocus ->
if (!hasFocus) { }
}
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Declare slice or make slice?
...lter(s []int, fn func(int) bool) []int {
var p []int // == nil
for _, v := range s {
if fn(v) {
p = append(p, v)
}
}
return p
}
It means that, to append to a slice, you don't have to allocate memory first: the nil slice p int[] is enough as a slice to ad...
Change x axes scale in matplotlib
...
Try using matplotlib.pyplot.ticklabel_format:
import matplotlib.pyplot as plt
...
plt.ticklabel_format(style='sci', axis='x', scilimits=(0,0))
This applies scientific notation (i.e. a x 10^b) to your x-axis tickmarks
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Create JSON-object the correct way
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Usually, you would do something like this:
$post_data = json_encode(array('item' => $post_data));
But, as it seems you want the output to be with "{}", you better make sure to force json_encode() to encode as object, by passing the JSON_FORCE_OBJECT constant.
$post_d...
Is it possible to make an ASP.NET MVC route based on a subdomain?
...nd using attributes would make this easier.
– perfect_element
Jan 27 '17 at 4:42
@perfect_element - Attribute routes a...