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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...equal to the number of bits in the number (e.g. int64_t i = 1; i <<= 72 is undefined)
Types, Cast and Const
Casting a numeric value into a value that can't be represented by the target type (either directly or via static_cast)
Using an automatic variable before it has been definitely assigne...
Android XML Percent Symbol
...n which the % symbol is used. Proper format for using the % is &#37; . When I have a string in that array with multiple &#37; it gives me this error.
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git add only modified changes and ignore untracked files
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7
Active
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How to determine if a process runs inside lxc/Docker?
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173
The most reliable way is to check /proc/1/cgroup. It will tell you the control groups of the in...
.NET Configuration (app.config/web.config/settings.settings)
...its own unique settings in the c:\Windows\Microsoft.NET\Framework64\v2.0.50727\CONFIG directory, then you can promote your application code between environments without any post-build modifications.
And obviously, the contents of the machine-level CONFIG directory get version-controlled in a diffe...
Calling startActivity() from outside of an Activity?
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497
if your android version is below Android - 6 then you need to add this line otherwise it will wo...
Duplicating a MySQL table, indices, and data
...ge tables.
– fguillen
Dec 1 '16 at 17:23
4
To give a rough idea, the insert operation took 27mins...
Callback to a Fragment from a DialogFragment
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edited Dec 6 '12 at 7:57
answered Dec 5 '12 at 22:46
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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
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let subStr = str[str.startIndex.advancedBy(3)...str.startIndex.advancedBy(7)]
//"Strin"
Swift 3
let startIndex = str.index(str.startIndex, offsetBy: 3)
let endIndex = str.index(str.startIndex, offsetBy: 7)
str[startIndex...endIndex] // "Strin"
str.substring(to: startIndex) // "My "
str...