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What's the difference between the 'ref' and 'out' keywords?
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The ref modifier means that:
The value is already set and
The method can read and modify it.
The out modifier means that:
The Value isn't set and can't be read by the method until it is set.
The method must set it before returning.
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Read each line of txt file to new array element
I am trying to read every line of a text file into an array and have each line in a new element.
My code so far.
11 Answe...
How to find the sum of an array of numbers
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Non-number inputs
If non-numbers are possible inputs, you may want to handle that?
console.log(
["hi", 1, 2, "frog"].reduce((a, b) => a + b)
)
let numOr0 = n => isNaN(n) ? 0 : n
console.log(
["hi", 1, 2, "frog"].reduce((a, b) =>
numOr0(a) + numOr0(b))
)
No...
What issues should be considered when overriding equals and hashCode in Java?
What issues / pitfalls must be considered when overriding equals and hashCode ?
11 Answers
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What is a reasonable length limit on person “Name” fields?
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UK Government Data Standards Catalogue suggests 35 characters for each of Given Name and Family Name, or 70 characters for a single field to hold the Full Name.
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Content-Disposition:What are the differences between “inline” and “attachment”?
...download the file for both of them.
This behavior depends on the browser and the file you are trying to serve. With inline, the browser will try to open the file within the browser.
For example, if you have a PDF file and Firefox/Adobe Reader, an inline disposition will open the PDF within Firef...
How to create a WPF UserControl with NAMED content
I have a set of controls with attached commands and logic that are constantly reused in the same way. I decided to create a user control that holds all the common controls and logic.
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Where can I find Android source code online? [closed]
Particularly, where can I browse the source code for any android source application(e.g.the contact application) ? Is the only way to go to download all there is?
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How to pass password to scp?
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You can script it with a tool like expect (there are handy bindings too, like Pexpect for Python).
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Programmatically change the src of an img tag
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@william44isme and our page will be loaded slower than before. i think the jQuery is useful just for websites that uses a same code, very more. for example if we use the above code more than 30 or 50 times. so it's necessary to use jQuery
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