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One-liner to take some properties from object in ES 6
...eturn Object.assign({}, ...props.map(prop => ({[prop]: o[prop]})));
}
If we want to preserve the properties' attributes, such as configurable and getters and setters, while also omitting non-enumerable properties, then:
function pick(o, ...props) {
var has = p => o.propertyIsEnumerable(...
Are database triggers evil? [closed]
... @HGLEM, agree there should be a specialist to work out triggers. Real life scenario - there isn't. Real life scenario - days spent trying to identify a bug related to a forgotten trigger. Real life scenario - trigger logic is being desperately pushed out into application logic where it can be ea...
Python non-greedy regexes
...owerful *?
From the docs, Greedy versus Non-Greedy
the non-greedy qualifiers *?, +?, ??, or {m,n}? [...] match as little
text as possible.
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How to find the Number of CPU Cores via .NET/C#?
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There are several different pieces of information relating to processors that you could get:
Number of physical processors
Number of cores
Number of logical processors.
These can all be different; in the case of a machine with 2 dual-core ...
Python try…except comma vs 'as' in except
What is the difference between ',' and 'as' in except statements, eg:
5 Answers
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Does Internet Explorer support pushState and replaceState?
Does anybody know if Internet Explorer supports the history.pushState() and history.replaceState() methods for manipulating browser history ? Considering these are just being implemented in Firefox 4, I'm not holding my breath, but does anybody know if they're coming in IE9?
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How to set standard encoding in Visual Studio
...se you are using special characters that would be lost in ASCII encoding? If that's the case, then there is a VS2008 global setting in Tools > Options > Environment > Documents, named Save documents as Unicode when data cannot be saved in codepage. When this is enabled, VS2008 will save a...
What is the purpose of “return await” in C#?
...case when return in normal method and return await in async method behave differently: when combined with using (or, more generally, any return await in a try block).
Consider these two versions of a method:
Task<SomeResult> DoSomethingAsync()
{
using (var foo = new Foo())
{
...
MySQL LIKE IN()?
... 1 million rows in my table. REGEX arround 0.0009 and LIKE arround 0.0005. If more then 5 REGEX, arround 0.0012...
– David Bélanger
Nov 26 '11 at 5:24
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How to post data to specific URL using WebClient in C#
I need to use "HTTP Post" with WebClient to post some data to a specific URL I have.
8 Answers
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