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SQL Logic Operator Precedence: And and Or
...en if they are not needed. very few programers (if any) know precedence of all operators available.
– Trismegistos
Nov 6 '13 at 11:45
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How to set the prototype of a JavaScript object that has already been instantiated?
...n set of rules. This is currently unresolved but at least it will be officially part of JavaScript's specification.
This question is a lot more complicated than it seems on the surface, and beyond most peoples' pay grade in regards to knowledge of Javascript internals.
The prototype property of an...
Regex to remove all (non numeric OR period)
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I make one small correction: Regex.Replace(s, "[^$0-9.]", ""); You want to leave dollar sign.
– bodacydo
Dec 4 '15 at 5:26
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Why does Python use 'magic methods'?
...lable, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
7 Answers
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How to loop through all the files in a directory in c # .net?
...=
Directory.GetFiles(txtPath.Text, "*ProfileHandler.cs", SearchOption.AllDirectories);
That last parameter effects exactly what you're referring to. Set it to AllDirectories for every file including in subfolders, and set it to TopDirectoryOnly if you only want to search in the directory give...
Why should I prefer single 'await Task.WhenAll' over multiple awaits?
...n case I do not care about the order of task completion and just need them all to complete, should I still use await Task.WhenAll instead of multiple await ? e.g, is DoWork2 below a preferred method to DoWork1 (and why?):
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in_array multiple values
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if(count(array_intersect($haystack, $target)) == count($target)){
// all of $target is in $haystack
}
Note that you only need to verify the size of the resulting intersection is the same size as the array of target values to say that $haystack is a superset of $target.
To verify that at lea...
What is the difference between getFields and getDeclaredFields in Java reflection
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getFields()
All the public fields up the entire class hierarchy.
getDeclaredFields()
All the fields, regardless of their accessibility but only for the current class, not any base classes that the current class might be inheriting from...
git ignore all files of a certain type, except those in a specific subfolder
... my case, I realized that I want to ignore nothing in my spec directory at all. So I am able to get away with a very simple !spec. Works like a charm.
– Alex Wayne
Jan 6 '11 at 23:31
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Update all values of a column to lowercase
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@BjörnC - upper/lower only changes letters; all other characters are unchanged.
– ToolmakerSteve
Apr 9 '19 at 17:54
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