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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
...reviously). Both tester applications, the synchronously multithreaded one (based on HttpWebRequest) and asynchronous I/O one (based on HTTP client) produced similar results: about 10 seconds to execute using around 3% of the CPU and 30 MB of memory. The only difference between the two testers was th...
How to synchronize a static variable among threads running different instances of a class in Java?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do I add a placeholder on a CharField in Django?
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Similar spirit: for f in MyCommentForm.base_fields.values(): f.widget.attrs["placeholder"] = f.label, but I like your constructor method better.
– jozxyqk
Sep 2 '14 at 15:49
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How to load all modules in a folder?
... put them as __all__ variable in __init__.py
from os.path import dirname, basename, isfile, join
import glob
modules = glob.glob(join(dirname(__file__), "*.py"))
__all__ = [ basename(f)[:-3] for f in modules if isfile(f) and not f.endswith('__init__.py')]
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Injecting a mock into an AngularJS service
...tedProvider = mock(_injected_);
});
beforeEach(inject(function (_base_) {
baseProvider = _base_;
}));
it("injectedProvider should be mocked", function () {
mockInjectedProvider.myFunc.andReturn('testvalue');
var resultFromMockedProvider = baseProvider.executeMy...
Rename specific column(s) in pandas
...is argument was introduced in v0.21.
Index.str.replace() for string/regex based replacement.
If you need to rename ALL columns at once,
DataFrame.set_axis() method with axis=1. Pass a list-like sequence. Options are available for in-place modification as well.
rename with axis=1
df = pd.DataFr...
Checking out Git tag leads to “detached HEAD state”
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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C++ mark as deprecated
...You can also use [[gnu::deprecated]] in recent versions of clang in C++11, based on __has_cpp_attribute(gnu::deprecated).
I have some macros in Hedley to handle all of this automatically which I keep up to date, but the current version (v2) looks like this:
#if defined(__cplusplus) && (__c...
Possibility of duplicate Mongo ObjectId's being generated in two different collections?
...manner similar to UUID but with some nicer properties for storage in a database such as roughly increasing order and encoding their creation time for free. The key thing for your use case is that they are designed to guarantee uniqueness to a high probability even if they are generated on different ...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...码一一比对进行阅读。而且，最好也把连接选项的Dynamic Base (ASLR)禁用。