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raw vs. html_safe vs. h to unescape html
...
Considering Rails 3:
html_safe actually "sets the string" as HTML Safe (it's a little more complicated than that, but it's basically it). This way, you can return HTML Safe strings from helpers or models at will.
h can only be ...
git diff renamed file
...een HEAD^^ and HEAD is that you have an a.txt in both commits, so just considering those two commits (which is what diff does), there is no rename, there is a copy and a change.
To detect copies, you can use -C:
git diff -C HEAD^^ HEAD
Result:
index ce01362..dd7e1c6 100644
--- a/a.txt
+++ b/a.t...
Vagrant reverse port forwarding?
...rKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o LogLevel=ERROR -o IdentitiesOnly=yes -i ~/.vagrant.d/insecure_private_key vagrant@127.0.0.1
SSH supports forwarding ports in the direction you want with the -R guestport:host:hostport option. So, if you wanted to connect to port 12345 on the ...
How can you find the unused NuGet packages in a solution?
...nual labor, but it works.
Use ReSharper or similar code analysis tool to identify any unused references in your projects and uninstall the nuget in the corresponding projects.
Sometimes uninstalled nugets still linger in the Installed packages and Updates lists in the Manage NuGet Packages dialog....
Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl
...rt tokens. This can happen if you were to close out of Xcode while in the middle of submitting an app to iTunes Connect.
The token files now appear in the
Library/Caches/com.apple.amp.itmstransporter/UploadTokens/ subfolder of the given user's home directory. Which, honestly, is a better place for ...
Can't escape the backslash with regex?
... use a different form of quoting that doesn't parse escape sequences to avoid having to use as many - for instance, in Python:
re.compile(r'\\')
The r in front of the quotes makes it a raw string which doesn't parse backslash escapes.
...
How to use range-based for() loop with std::map?
... has value " << kv.second << std::endl;
}
You could also consider marking the kv variable const if you want a read-only view of the values.
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Styling text input caret
...ne;
-webkit-text-fill-color: initial;
}
Here is an example: http://jsfiddle.net/8k1k0awb/
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Why does Convert.ToString(null) return a different value if you cast null?
... hence it will be picked as the winner.
In the null as object you've solidified the type of the expression as object. This means it's no longer compatible with the string overload and the compiler picks the object overload as it's the only compatible one remaining.
The really hairy details of ...
Initializing a struct to 0
... Also, I am using = {}; However I am not sure if this is valid.
– William Entriken
Mar 19 '15 at 21:09
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