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What is the difference between Strategy pattern and Dependency Injection?
... fine-grained and short-lived dependencies.
When an object is configured with a "fixed" Strategy, for example when the object is constructed, the distinction between Strategy and DI blurs. But in a DI scenario it is more unusual that the dependencies of objects change during their lifetimes, while ...
Git submodule head 'reference is not a tree' error
I have a project with a submodule that is pointing to an invalid commit: the submodule commit remained local and when I try to fetch it from another repo I get:
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How to check if a process is running via a batch script
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Another possibility I came up with, inspired by using grep, is:
tasklist /FI "IMAGENAME eq myapp.exe" 2>NUL | find /I /N "myapp.exe">NUL
if "%ERRORLEVEL%"=="0" echo Program is running
It doesn't need to save an extra file, so I pref...
Updating packages in Emacs
...he list of packages), and then type U x.
package-refresh-contents unconditionally tries to download a package list from all repos you've added to package-archives; package-archive-contents is non nil if you have already downloaded the package list.
ELPA is the original. I don't think it's really...
Is there a good jQuery Drag-and-drop file upload plugin? [closed]
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Have a look at this one: http://aquantum-demo.appspot.com/file-upload
It also handles multiple file upload!
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Python to print out status bar and percentage
...at you can get from PyPI called progressbar that implements such functionality. If you don't mind adding a dependency, it's a good solution. Otherwise, go with one of the other answers.
A simple example of how to use it:
import progressbar
from time import sleep
bar = progressbar.ProgressBar(maxva...
Block comments in html.erb templates in rails
How do you comment out html mixed with ruby code?
16 Answers
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How to get multiple select box values using jQuery?
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edited Jul 10 '17 at 5:59
Michael B.
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UINavigationBar custom back button without title
How can I customize the navigation back button in iOS 7 and above without title? (i.e. with the arrow only)
36 Answers
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What happens to C# Dictionary lookup if the key does not exist?
I tried checking for null but the compiler warns that this condition will never occur. What should I be looking for?
9 Ans...