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Map over object preserving keys
...h Underscore
Underscore provides a function _.mapObject to map the values and preserve the keys.
_.mapObject({ one: 1, two: 2, three: 3 }, function (v) { return v * 3; });
// => { one: 3, two: 6, three: 9 }
DEMO
With Lodash
Lodash provides a function _.mapValues to map the values and pre...
Inspecting standard container (std::map) contents with gdb
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Its also a bit frustrating that commands like "plist foo std::string" give syntax errors. It appears that the value_type can't contain any punctuation.
– Bklyn
Jan 9 '09 at 21:49
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In-memory size of a Python structure
Is there a reference for the memory size of Python data stucture on 32- and 64-bit platforms?
7 Answers
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Python Infinity - Any caveats?
So Python has positive and negative infinity:
5 Answers
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What is the _snowman param in Ruby on Rails 3 forms for?
... parameter was added to forms in order to force Internet Explorer (5, 6, 7 and 8) to encode its parameters as unicode.
Specifically, this bug can be triggered if the user switches the browser's encoding to Latin-1. To understand why a user would decide to do something seemingly so crazy, check out ...
How to programmatically take a screenshot on Android?
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Here is the code that allowed my screenshot to be stored on an SD card and used later for whatever your needs are:
First, you need to add a proper permission to save the file:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
And this is the code (running in a...
How can I set the Secure flag on an ASP.NET Session Cookie?
... an ASP.NET Session Cookie, so that it will only be transmitted over HTTPS and never over plain HTTP?
5 Answers
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“Cannot connect to iTunes Store” in-app purchases
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My error was simply not setting up a Sandbox User, I forgot that step. And don't log into it from the Settings >> iTunes section of the device b/c that will break it. Wait and do it during the actual testing.
– Nathan Prather
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How to get result of console.trace() as string in javascript with chrome or firefox?
...ce() outputs its result on console.
I want to get the results as string and save them to a file.
I don't define names for functions and I also can not get their names with callee.caller.name .
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POST unchecked HTML checkboxes
...y default. My users will probably uncheck a few (if any) of the checkboxes and leave the rest checked.
42 Answers
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