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How do I use floating-point division in bash?
...divide two image widths in a Bash script, but bash gives me 0 as the result:
18 Answers
...
find: missing argument to -exec
...choargs {} +
/tmp/foo - /tmp/foo/one - /tmp/foo/two
Your command has two errors:
First, you use {};, but the ; must be a parameter of its own.
Second, the command ends at the &&. You specified “run find, and if that was successful, remove the file named {};.“. If you want to use shel...
How to compare 2 files fast using .NET?
...re the resulting numbers.
Here's what I came up with:
const int BYTES_TO_READ = sizeof(Int64);
static bool FilesAreEqual(FileInfo first, FileInfo second)
{
if (first.Length != second.Length)
return false;
if (string.Equals(first.FullName, second.FullName, ...
Why do we have map, fmap and liftM?
...t learning Haskell, when using map incorrectly, would much
rather see an error about lists than about Functors.
-- Typeclassopedia, page 20
fmap and liftM exist because monads were not automatically functors in Haskell:
The fact that we have both fmap and liftM is an
unfortunate consequen...
How do I install an R package from source?
...packages("/tmp/shiny_0.13.1.tar.gz", repos=NULL, type="source") i get this error: -ksh: syntax error: `(' unexpected
– iaav
Jul 11 '16 at 20:55
...
Why not use java.util.logging?
For the first time in my life I find myself in a position where I'm writing a Java API that will be open sourced. Hopefully to be included in many other projects.
...
组件动画使用指导 · App Inventor 2 中文网
...距离以设定尺寸计算。
导入 ComponentAnimationAllFeatures.aia，连接最新伴侣，或编译独立安装包。真机／伴侣运行尚未实测。
API / 功能
操作入口
预期结果
五个设计器属性、Duration / StartDelay / Rep...
Windows recursive grep command-line
...|
edited Nov 18 '14 at 20:05
MPelletier
14.7k1212 gold badges7777 silver badges125125 bronze badges
answ...
Difference between /res and /assets directories
...to the the list. (This is kind of awkward and introduces opportunities for error if the set of resources changes in the development cycle.) (EDIT: you can retrieve a resource ID by name using getIdentifier, but this loses the benefits of compile-time checking.) Assets can also be organized into a fo...
How can I exclude all “permission denied” messages from “find”?
... be largely hypothetical.
* If your system is configured to show localized error messages, prefix the find calls below with LC_ALL=C (LC_ALL=C find ...) to ensure that English messages are reported, so that grep -v 'Permission denied' works as intended. Invariably, however, any error messages that d...