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Why can't I use a list as a dict key in python?
...>>> t = (999,)
>>>
>>> %timeit l in lists_list
25.5 µs ± 442 ns per loop (mean ± std. dev. of 7 runs, 10000 loops each)
>>> %timeit s in stupidlists_set
38.5 µs ± 61.2 ns per loop (mean ± std. dev. of 7 runs, 10000 loops each)
>>> %timeit t in tupl...
Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...
25
+25
Interest...
Escape angle brackets in a Windows command prompt
...
25
True, the official escape character is ^, but be careful because sometimes you need three ^ cha...
Use of exit() function
...detailed.
– Justin
Apr 13 '15 at 21:25
...
How do you set EditText to only accept numeric values in Android?
...s is the best solution !
– RRTW
Nov 25 '13 at 7:14
2
I'm assuming the string should read 01234567...
How to pull a random record using Django's ORM?
...Tuggy. Ok my bad. Sorry
– sajid
Jun 25 '18 at 9:43
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show 7 more comments
...
How can I keep Bootstrap popovers alive while being hovered?
...731847/439427
– Rubens Mariuzzo
Feb 25 '15 at 23:37
1
...
What does “static” mean in C?
... foo();
}
This prints:
a = 15, sa = 15
a = 15, sa = 20
a = 15, sa = 25
a = 15, sa = 30
a = 15, sa = 35
a = 15, sa = 40
a = 15, sa = 45
a = 15, sa = 50
a = 15, sa = 55
a = 15, sa = 60
This is useful for cases where a function needs to keep some state between invocations, and you don't want t...
What is the Java ?: operator called and what does it do?
...ator.
The official name is given in the Java Language Specification:
§15.25 Conditional Operator ? :
The conditional operator ? : uses the boolean value of one expression to decide which of two other expressions should be evaluated.
Note that both branches must lead to methods with return values:...
Expand a div to fill the remaining width
...eight: 200px;
width: auto;
margin-left: 200px;
}
.item {
width: 25%;
background-color: blue;
float: left;
color: white;
}
.clearfix {
clear: both;
}
<div class="container">
<div class="clearfix"></div>
<div class="sidebar">width: 200px</div...