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Can an Android Toast be longer than Toast.LENGTH_LONG?
When using setDuration() for a Toast, is it possible to set a custom length or at least something longer than Toast.LENGTH_LONG ?
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When to use std::forward to forward arguments?
...t case:
template<typename T>
void foo(T&& prop) {
other.set(prop); // use prop, but don't modify it because we still need it
bar(std::forward<T>(prop)); // final use -> std::forward
}
In the code above, we don't want prop to have some unknown value after other.set(....
Is it faster to count down than it is to count up?
...uction with a smaller binary encoding
If a previous instruction happens to set a flag (likely only on x86 family machines), you might not even need an explicit compare instruction
Are these differences likely to result in any measurable improvement on real programs on a modern out-of-order process...
How do I do a case-insensitive string comparison?
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Assuming ASCII strings:
string1 = 'Hello'
string2 = 'hello'
if string1.lower() == string2.lower():
print("The strings are the same (case insensitive)")
else:
print("The strings are NOT the same (case insensitive)")
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Matplotlib scatter plot with different text at each data point
...ary to plot text without markers. In version 2.0 you'll need ax.scatter to set the proper range and markers for text.
y = [2.56422, 3.77284, 3.52623, 3.51468, 3.02199]
z = [0.15, 0.3, 0.45, 0.6, 0.75]
n = [58, 651, 393, 203, 123]
fig, ax = plt.subplots()
for i, txt in enumerate(n):
ax.annotat...
Spring Boot application as a Service
... jar has the usual start, stop, restart, and status commands. It will also set up a PID file in the usual /var/run directory and logging in the usual /var/log directory by default.
You just need to symlink your jar into /etc/init.d like so
sudo link -s /var/myapp/myapp.jar /etc/init.d/myapp
OR
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Generating all permutations of a given string
...caching any algorithm that outputs permutation is o(n!) because the result set to the permutation question is factorial to the input.
– jeremyjjbrown
Jan 2 '13 at 2:26
9
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C pointers : pointing to an array of fixed size
...es to exactly the same discovery and to exactly the same conclusion when (if) they reach certain level of proficiency with C language.
When the specifics of your application area call for an array of specific fixed size (array size is a compile-time constant), the only proper way to pass such an ar...
Apply multiple functions to multiple groupby columns
The docs show how to apply multiple functions on a groupby object at a time using a dict with the output column names as the keys:
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How can I convert a std::string to int?
...ve a quick question. I've looked around the internet quite a bit and I've found a few solutions but none of them have worked yet. Looking at converting a string to an int and I don't mean ASCII codes.
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