大约有 47,000 项符合查询结果（耗时：0.0527秒） [XML]
foreach vs someList.ForEach(){}
.... e.g. a block of code for reading rows from a dataReader.
I still don't know exactly why they did this.
The drawbacks of list.ForEach() are:
It is more verbose in C# 2.0. However, in C# 3 onwards, you can use the "=>" syntax to make some nicely terse expressions.
It is less familiar. People ...
Does ruby have real multithreading?
I know about the "cooperative" threading of ruby using green threads . How can I create real "OS-level" threads in my application in order to make use of multiple cpu cores for processing?
...
What good technology podcasts are out there?
...
This one's not specifically about development, but Security Now from Steve Gibson and Leo Laporte is an excellent discussion of security issues. I think it's a must-listen for just about any computer user who's concerned about security, and especially for web developers who are respo...
Doing a cleanup action just before Node.js exits
...r-LucGendreau where does this specific code go?
– hownowbrowncow
Mar 28 '16 at 20:04
11
I've foun...
What is your favorite C programming trick? [closed]
... "normals.txt"
};
(more or less, I don't have the code handy to check it now).
Since then, a new world of creative use of the preprocessor opened in front of my eyes. I no longer include just headers, but entire chunks of code now and then (it improves reusability a lot) :-p
Thanks John Carmack!...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...
conda-env now does this automatically (if pip was installed with conda).
You can see how this works by using the export tool used for migrating an environment:
conda env export -n <env-name> > environment.yml
The file will...
JavaScript closure inside loops – simple practical example
...{
funcs[i] = createfunc(i);
}
for (var j = 0; j < 3; j++) {
// and now let's run each one to see
funcs[j]();
}
Since there is no block scope in JavaScript - only function scope - by wrapping the function creation in a new function, you ensure that the value of "i" remains as you inte...
When should I use a trailing slash in my URL?
...te *nix-style file systems. That may have originally served a purpose, but now much less so.
– speedplane
Jun 4 '16 at 7:09
|
show 3 more co...
explicit casting from super class to subclass
... you're essentially telling the compiler "trust me. I'm a professional, I know what I'm doing and I know that although you can't guarantee it, I'm telling you that this animal variable is definitely going to be a dog."
Since the animal isn't actually a dog (it's an animal, you could do Animal anima...
How to increase font size in the Xcode editor?
...font will be preselected in the font inspector. Whatever changes you make now
will be applied to the text types you selected in the 'Source Editor' window.
e.g. All Fonts > Menlo > Regular > 14
Close the windows you opened on this hunt for the holy grail.
Congratulations. Your may now...