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Accessing inactive union member and undefined behavior?
...ough a union, whereas C++ (c++11) has no such permission.
c11
6.5.2.3 Structure and union members
95) If the member used to read the contents of a union object is not the same as the member last used to
store a value in the object, the appropriate part of the object representation of...
Array vs. Object efficiency in JavaScript
...mostly faster than objects. But there is no 100% correct solution.
Update 2017 - Test and Results
var a1 = [{id: 29938, name: 'name1'}, {id: 32994, name: 'name1'}];
var a2 = [];
a2[29938] = {id: 29938, name: 'name1'};
a2[32994] = {id: 32994, name: 'name1'};
var o = {};
o['29938'] = {id: 29938, n...
How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?
...
266
Just use Ctrl+K, Ctrl+D.
(for OS X: Cmd+K, Cmd+D)
Needs a bit of practice, but gets the job ...
How to get the CPU Usage in C#?
...
208
You can use the PerformanceCounter class from System.Diagnostics.
Initialize like this:
Perf...
“A lambda expression with a statement body cannot be converted to an expression tree”
...myArray = objects.Select(o => new Obj() {
Var1 = o.someVar,
Var2 = o.var2
}).ToArray();
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CSV in Python adding an extra carriage return, on Windows
...
325
Python 3:
As described by YiboYang, set newline=''
with open('output.csv', 'w', newline='')...
How to make link look like a button?
...g CSS:
.button {
display: block;
width: 115px;
height: 25px;
background: #4E9CAF;
padding: 10px;
text-align: center;
border-radius: 5px;
color: white;
font-weight: bold;
line-height: 25px;
}
<a class="button">Add Problem</a>
...
How to join two generators in Python?
...
12 Answers
12
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C# Thread safe fast(est) counter
...
263
This would be simpler:
return Interlocked.Increment(ref COUNTER);
MSDN Interlocked.Incremen...
Java 8: performance of Streams vs Collections
... List<Double> result = new ArrayList<>(sourceList.size() / 2 + 1);
for (Integer i : sourceList) {
if (i % 2 == 0){
result.add(Math.sqrt(i));
}
}
return result;
}
@Benchmark
public List<Double> stream()...