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What's the difference between passing by reference vs. passing by value?
... either pass-by-value or pass-by-reference:
If a reference is just taken from a caller's variable and passed as an argument, this has the same effect as pass-by-reference: if the referred object is mutated in the callee, the caller will see the change.
However, if a variable holding this referen...
Create a List of primitive int?
...The performance of this list, when compared with the ArrayList of Integers from Java Collections is much better as the autoboxing/unboxing to the corresponding Integer Wrapper Class is not needed.
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Save bitmap to location
I am working on a function to download an image from a web server, display it on the screen, and if the user wishes to keep the image, save it on the SD card in a certain folder. Is there an easy way to take a bitmap and just save it to the SD card in a folder of my choice?
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Get TFS to ignore my packages folder
...le.
You can read more about this approach in the blog article Prevent TFS from adding installed NuGet packages to source control.
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Get names of all keys in the collection
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I would just note that aggregate from @kristina answer takes 11 sec on my set, and Map Recude 2 sec). I did not expect that.
– seven
Jul 13 at 13:20
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How can I find the number of days between two Date objects in Ruby?
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Subtract the beginning date from the end date:
endDate - beginDate
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Xml serialization - Hide null values
...due to an error when reflecting the type) until I removed the XmlAttribute from the nullable int-property.
– Matze
May 3 '13 at 11:52
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Check if a key exists inside a json object
...ws the error error Do not access Object.prototype method 'hasOwnProperty' from target object when using this method. Thoughts?
– hamncheez
Feb 21 '19 at 20:01
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What is the coolest thing you can do in
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I got a great response from my kids with a quick VB script to manipulate a Microsoft Agent character. For those that aren't familiar with MS Agent, it's a series of animated onscreen characters that can be manipulated via a COM interface. You can d...
What is a simple/minimal browserconfig.xml for a web site
...me="msapplication-config" content="none"/>
in your HTML to prevent IE from looking for this file, if that is an option for you that might work as well.
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