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How to create a directory and give permission in single command

... in the path you type. For example, mkdir -p -m 707 one/two/three. Even if all three directories are newly created, only the last one will have the requested permissions, and the others, default. install -d -m is broken the same way. – Display Name May 6 '15 at...
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C# Regex for Guid

...{12}[)}]?$", "'$0'"); This matches the following styles, which are all equivalent and acceptable formats for a GUID. ca761232ed4211cebacd00aa0057b223 CA761232-ED42-11CE-BACD-00AA0057B223 {CA761232-ED42-11CE-BACD-00AA0057B223} (CA761232-ED42-11CE-BACD-00AA0057B223) Update 1 @NonStatic mak...
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Checkbox for nullable boolean

...iad of different reasons why the foo input might not appear on the page at all. If it does appear I can assume there's a value, but I need to be able to differentiate between when the model is posted with foo as unchecked and when foo isn't shown. – DMulligan J...
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How to split last commit into two in Git

...dex, then commit them. Then commit the rest. You can use "git add" to put all changes made in a file to the index. If you don't want to stage every modification made in a file, only some of them, you can use "git add -p". Let's see an example. Let's suppose I had a file called myfile, which contai...
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In Python, how does one catch warnings as if they were exceptions?

...ationWarning) with warnings.catch_warnings(record=True) as w: # Cause all warnings to always be triggered. warnings.simplefilter("always") # Trigger a warning. fxn() # Verify some things assert len(w) == 1 assert issubclass(w[-1].category, DeprecationWarning) assert ...
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Symfony 2: How do I check if a user is not logged in inside a template?

...any user is logged in. {% if app.user %} # user is logged in (any and all users, regardless of ROLE_*) {% elseif not app.user %} # user is not logged in (note the `not` in the `elseif` statement) {% endif %} Checking authentication status You can use the is_granted() method to check fo...
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CSS customized scroll bar in div

...ng scrollbars: https://www.webkit.org/blog/363/styling-scrollbars/ Demo of all WebKit scroll bar styling From Custom scrollbars in WebKit, relevant CSS: /* pseudo elements */ ::-webkit-scrollbar { } ::-webkit-scrollbar-button { } ::-webkit-scrollbar-track { } ::-webkit-...
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Concatenating Files And Insert New Line In Between Files

...finalfile.txt does not exist before you run the above command. If you are allowed to use awk you can do: awk 'FNR==1{print ""}1' *.txt > finalfile.txt share | improve this answer | ...
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Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path

...Copy it in Base64 (.cer) format. It will be saved on your Desktop. • Install the certificate ignoring all the alerts. • This is how I gathered the certificate information of the URL that I was trying to access. Now I had to make my java version to know about the certificate so that further it do...
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How can I convert my device token (NSData) into an NSString?

I am implementing push notifications. I'd like to save my APNS Token as a String. 29 Answers ...