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What is tail recursion?
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1766
Consider a simple function that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + ...
Can I use the range operator with if statement in Swift?
...hree assembly instruction:
addq $-200, %rdi
cmpq $99, %rdi
ja LBB0_1
this is exactly the same assembly code that is generated for
if statusCode >= 200 && statusCode <= 299
You can verify that with
xcrun -sdk macosx swiftc -O -emit-assembly main.swift
As of Swift 2, thi...
Find the files existing in one directory but not in the other [closed]
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14 Answers
14
Active
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Get loop counter/index using for…of syntax in JavaScript
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11 Answers
11
Active
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How to log cron jobs?
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* * * * * myjob.sh >> /var/log/myjob.log 2>&1
will log all output from the cron job to /var/log/myjob.log
You might use mail to send emails. Most systems will send unhandled cron job output by email to root or the corresponding user.
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How do I serialize a C# anonymous type to a JSON string?
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159
Try the JavaScriptSerializer instead of the DataContractJsonSerializer
JavaScriptSerializer s...
Installing Bower on Ubuntu
I'm trying to install Bower on XUbuntu 13.10, following the instructions on the Bower home page, after doing sudo apt-get install npm and sudo npm install -g bower I get the following after issuing bower on the command line:
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How to navigate through a vector using iterators? (C++)
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112
You need to make use of the begin and end method of the vector class, which return the iterato...
Android ImageView Zoom-in and Zoom-Out
...ss Zoom extends View {
private Drawable image;
ImageButton img,img1;
private int zoomControler=20;
public Zoom(Context context){
super(context);
image=context.getResources().getDrawable(R.drawable.j);
//image=context.getResources().getDrawable(R...
Fixed stroke width in SVG
... the stroke-width on an SVG element to be "pixel-aware", that is always be 1px wide regardless of the current scaling transformations applied. I am aware that this may well be impossible, since the whole point of SVG is to be pixel independent.
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