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C++ map access discards qualifiers (const)
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std::map's operator [] is not declared as const, and cannot be due to its behavior:
T& operator[] (const Key& key)
Returns a reference to the value that is mapped to a key equivalent to key, performing insertion if such key does not already exist.
As a r...
Secure random token in Node.js
In this question Erik needs to generate a secure random token in Node.js. There's the method crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token ...
What exactly is Java EE?
I have been doing Java SE for some years now and moving on to Java EE. However, I have some trouble understanding some aspects of Java EE.
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Read-only and non-computed variable properties in Swift
...something like the following in Objective-C. I have readonly properties, and they cannot be individually changed. However, using a specific method, the properties are changed in a logical way.
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Initializing a struct to 0
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The first is easiest(involves less typing), and it is guaranteed to work, all members will be set to 0[Ref 1].
The second is more readable.
The choice depends on user preference or the one which your coding standard mandates.
[Ref 1] Reference C99 Standard 6.7.8...
How do I run a single test with Nose in Pylons
... of tests in the test/functional directory.
I'm getting weird test results and I want to just run a single test.
The nose documentation says I should be able to pass in a test name at the command line but I get ImportErrors no matter what I do
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What is the purpose of willSet and didSet in Swift?
...seems to be that sometimes, you need a property that has automatic storage and some behavior, for instance to notify other objects that the property just changed. When all you have is get/set, you need another field to hold the value. With willSet and didSet, you can take action when the value is mo...
Is there a Java API that can create rich Word documents? [closed]
...generate a Word document that contains tables, graphs, a table of contents and text. What's a good API to use for this? How sure are you that it supports graphs, ToCs, and tables? What are some hidden gotcha's in using them?
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What is “Orthogonality”?
...em would be a radio, where changing the station does not change the volume and vice-versa.
A non-orthogonal system would be like a helicopter where changing the speed can change the direction.
In programming languages this means that when you execute an instruction, nothing but that instruction ...
Are there any coding standards for JavaScript? [closed]
What are the established coding standards for JavaScript?
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