大约有 48,000 项符合查询结果(耗时:0.0724秒) [XML]
Alternatives to gprof [closed]
...s still a bottleneck, but program counter sampling will not see it because now the hotspot is in string-compare. On the other hand if it were to sample the extended program counter (the call stack), the point at which the string-compare is called, the sort loop, is clearly displayed. In fact, gprof ...
How to access property of anonymous type in C#?
...ng overdue for an update for C# 4:
dynamic d = o;
object v = d.Foo;
And now another alternative in C# 6:
object v = o?.GetType().GetProperty("Foo")?.GetValue(o, null);
Note that by using ?. we cause the resulting v to be null in three different situations!
o is null, so there is no object a...
Perl build, unit testing, code coverage: A complete working example
...rg eq "true") {
return "true";
}
else {
return "unknown";
}
return "Unreachable code: cannot be covered";
}
1;
In the "t" directory, create a text file named "HelloPerlBuildWorld.t". This file is your unit test script that will attempt to fully test your Perl modu...
Split string into array of character strings
...
This answer does now work if you're using Java 8. See stackoverflow.com/a/22718904/1587046
– Alexis C.
Apr 25 '14 at 14:01
...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...+ _) // invalid, A* vararg parameter
However, there’s more you need to know to better grasp these rules.
Increased compile checking with parens
The authors of Spray recommend round parens because they give increased compile checking. This is especially important for DSLs like Spray. By using pa...
How do you run your own code alongside Tkinter's event loop?
...
Wow, I have spent hours now debugging why my gui kept freezing. I feel stupid, thanks a million!
– Jason Waltz
Aug 22 at 5:41
...
What is the JavaScript convention for no operation?
...s shown here:
setTimeout(function() {
console.log('Start: ', Date.now());
Function.prototype();
console.log('End : ', Date.now());
}, 1000);
Although this is a "true noop" since most browsers seem to do nothing to execute the noop defined this way (and hence save CPU cyc...
Pandas: Setting no. of max rows
...
+1 for the pd.describe_option('display'), I did not know all the options
– nom-mon-ir
May 8 '13 at 19:08
41
...
How to ISO 8601 format a Date with Timezone Offset in JavaScript?
...the format required by the spec that you referenced.
This format is also known as ISO8601, or more precisely as RFC3339.
In this format, UTC is represented with a Z while all other formats are represented by an offset from UTC. The meaning is the same as JavaScript's, but the order of subtraction...
jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)
...map or jquery-2.0.3.min.map, but can happen with anything) first thing to know is this is only requested when using the DevTools.
Your users will not be hitting this 404.
Now you can fix this or disable the sourcemap functionality.
Fix: get the files
Next, it's an easy fix. Head to http://jquer...
