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About .bash_profile, .bashrc, and where should alias be written in? [duplicate]
...f Bash. The .profile file is loaded only when you either log in or use the appropriate flag to tell Bash to act as a login shell.
Personally,
I put my PATH setup into a .profile file (because I sometimes use other shells);
I put my Bash aliases and functions into my .bashrc file;
I put this
#!/b...
NSUserDefaults - How to tell if a key exists
I'm working on a small iPhone app, and I am using NSUserDefaults as my data persistence. It only has to keep track of a few things, such as some names and some numbers so I figure I might as well keep it simple.
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What is the 
 character?
...eading zero &#xA)
There is a good converter at https://r12a.github.io/apps/conversion/ .
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Change name of folder when cloning from GitHub?
...clone something from Github, it creates a folder with the same name as the app on my computer. Is there a way to change the name?
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Refresh image with a new one at the same url
...ge.src = "http://localhost/image.jpg?" + new Date().getTime();
This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
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TextView bold via xml file?
...ight="wrap_content"
android:textStyle="bold"
android:text="@string/app_name"
android:layout_gravity="center"
/>
So, I'm guessing you need to use android:textStyle
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Node.js quick file server (static files over HTTP)
..., like this:
http-server D:\Folder
Check it out: https://github.com/nodeapps/http-server
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...globalAlpha works perfectly. Is part of the standard: whatwg.org/specs/web-apps/current-work/multipage/…
– Aleris
Feb 6 '11 at 16:51
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“The page you are requesting cannot be served because of the extension configuration.” error message
I'm getting this error message when trying to run my application. I don't know how to fix it:
19 Answers
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Append class if condition is true in Haml
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I've put this in my helper file, but my app tells me, that there is no "post" variable.
– Simon Perepelitsa
Aug 10 '10 at 22:16
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