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Is Ruby pass by reference or by value?
...en I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable.
13 An...
How to call another controller Action From a controller in Mvc
I need to call a controller B action FileUploadMsgView from Controller A and need to pass a parameter for it.
10 Answers
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How does `scp` differ from `rsync`?
...tional disc space.
Also,
Continuous (cron?) updates use minimal changes vs full cloned copies speed
up large data migrations over time.
tl;dr
scp == small scale (with room to build compressed files on the same drive)
rsync == large scale (with the necessity to backup large data and no room ...
simple HTTP server in Java using only Java SE API
... GET/POST) in Java using just the Java SE API, without writing code to manually parse HTTP requests and manually format HTTP responses? The Java SE API nicely encapsulates the HTTP client functionality in HttpURLConnection, but is there an analog for HTTP server functionality?
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filename and line number of python script
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Whether you use currentframe().f_back depends on whether you are using a
function or not.
Calling inspect directly:
from inspect import currentframe, getframeinfo
cf = currentframe()
filename = getframeinfo(cf).filename
print "This is line 5, python say...
git: diff between file in local repo and origin
I want to find the differences between a file I have in my local repo vs what is in the origin master .
7 Answers
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Removing colors from output
...cording to Wikipedia, the [m|K] in the sed command you're using is specifically designed to handle m (the color command) and K (the "erase part of line" command). Your script is trying to set absolute cursor position to 60 (^[[60G) to get all the OKs in a line, which your sed line doesn't cover.
(P...
Cherry pick using TortoiseGit
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Open "Show log", then I activated "All branches" and then I got visible all branches (with their commit history) and then the possibility to cherry pick got active as well (as noted before, I got a commit which wasn't present in the current branch).
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How to get my IP address programmatically on iOS/macOS?
I would like to obtain my iPad's IP address programmatically.
How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are?
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How to disable visual “dots” in Visual Studio Editor
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in VS Version: 1.39.2 - 2019 in the menu view -> Render Whitespace
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