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How to get an object's property's value by property name?
In PowerShell, how do you get an object's property value by specifying its name (a string)? I want something like the following:
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Accessing a class's constants
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If you're writing additional code within your class that contains the constant, you can treat it like a global.
class Foo
MY_CONSTANT = "hello"
def bar
MY_CONSTANT
end
end
Foo.new.bar #=> hello
If you're acc...
Hashing a string with Sha256
...http://msdn.microsoft.com/en-us/library/system.text.encoding.unicode.aspx
If you inspect your bytes array, you'll see that every second byte is 0x00 (because of the double-wide encoding).
You should be using Encoding.UTF8.GetBytes instead.
But also, you will see different results depending on whe...
Can I delete a git commit but keep the changes?
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git reset without a --hard or --soft moves your HEAD to point to the specified commit, without changing any files. HEAD^ refers to the (first) parent commit of your current commit, which in your case is the commit before the temporary one.
Note that another option is to carry on as normal, and th...
Clear the cache in JavaScript
...ks! This works well for an HTML5 Application Cache loaded from a cache.manifest file as well. I had an old manifest that wasn't being removed from memory, so one browser that had it cached just wouldn't show newer files. I typed this in the javascript console, and worked fine. Thanks!
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Syntax Error: Not a Chance
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I ask myself if it would be theoretically possible to implement that - as an extension - in python. (I'm not a python developer)
– hek2mgl
Jul 23 '13 at 13:45
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Two submit buttons in one form
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If you give each one a name, the clicked one will be sent through as any other input.
<input type="submit" name="button_1" value="Click me">
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How to check if a Unix .tar.gz file is a valid file without uncompressing?
I have found the question How to determine if data is valid tar file without a file? , but I was wondering: is there a ready made command line solution?
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Java: how to convert HashMap to array
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If you want the keys and values, you can always do this via the entrySet:
hashMap.entrySet().toArray(); // returns a Map.Entry<K,V>[]
From each entry you can (of course) get both the key and value via the getKey and ...
Easiest way to convert a List to a Set in Java
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@Madbreaks Came here specifically for that problem and would recommend using Ramesh's solution with Abdul's explanation to anyone else that is interested in trying to do this
– David Fisher
Jul 12 at 7:17
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