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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()...
Wait for page load in Selenium
How do you make Selenium 2.0 wait for the page to load?
47 Answers
47
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C# Thread safe fast(est) counter
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263
This would be simpler:
return Interlocked.Increment(ref COUNTER);
MSDN Interlocked.Incremen...
Pry: show me the stack
...on <ActionController::ImplicitRender#send_action(method, *args)>
#2 [method] process_action <AbstractController::Base#process_action(method_name, *args)>
#3 [method] process_action <ActionController::Rendering#process_action(*arg1)>
<... clipped ...>
[2] pry(#<Pos...
How to get the CPU Usage in C#?
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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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Could not reliably determine the server's fully qualified domain name
I have just installed Apache 2.2.17, and I am using it first time.
13 Answers
13
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How can I combine two commits into one commit? [duplicate]
I have a branch 'firstproject' with 2 commits. I want to get rid of these commits and make them appear as a single commit.
...
用户界面（UI）组件 · App Inventor 2 中文网
...如何水平对齐的数字，含义如下：
1 （左对齐）
2 （右对齐）
3 （水平居中）
垂直对齐
表示屏幕内容如何垂直对齐的数字，含义如下：
1 （顶部对齐）
2 （垂直居中）
3 （底部对齐）
如果屏幕可...
CSV in Python adding an extra carriage return, on Windows
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325
Python 3:
As described by YiboYang, set newline=''
with open('output.csv', 'w', newline='')...