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Change SQLite default settings
we know when type .mode column let m>me m> see tables like column
And .headers on , we can see the header of tables.
But I want to know if there is any way make the two default settings?
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How to run Ruby code from terminal?
...un a few lines of Ruby code from terminal, but I can't find the needed param>me m>ter for it.
2 Answers
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How do you write a migration to renam>me m> an ActiveRecord model and its table in Rails?
I'm terrible at naming and realize that there are a better set of nam>me m>s for my models in my Rails app. Is there any way to use a migration to renam>me m> a model and its corresponding table?
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What is a Context Free Grammar?
Can som>me m>one explain to m>me m> what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would som>me m>one be so kind as to explain what these things are?
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Remove or uninstall library previously added : cocoapods
I added an external fram>me m>work via cocoapods into my iOS application. How can i remove that library from the project?
6 Answ...
Callback on CSS transition
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I know that Safari implem>me m>nts a webkitTransitionEnd callback that you can attach directly to the elem>me m>nt with the transition.
Their example (reformatted to multiple lines):
box.addEventListener(
'webkitTransitionEnd',
function( event )...
How to base64 encode image in linux bash / shell
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You need to use cat to get the contents of the file nam>me m>d 'DSC_0251.JPG', rather than the filenam>me m> itself.
test="$(cat DSC_0251.JPG | base64)"
However, base64 can read from the file itself:
test=$( base64 DSC_0251.JPG )
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How to strip all whitespace from string
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Taking advantage of str.split's behavior with no sep param>me m>ter:
>>> s = " \t foo \n bar "
>>> "".join(s.split())
'foobar'
If you just want to remove spaces instead of all whitespace:
>>> s.replace(" ", "")
'\tfoo\nbar'
Premature optimization
Even t...
How to remove debugging from an Express app?
...cket.io and connect-redis , but I do not know where the debugging mode com>me m>s from.
2 Answers
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
... your applications very well. In order to change your packages' target fram>me m>works, you must uninstall and reinstall the packages (taking note of the packages you had installed so that you can reinstall each of them).
The reason packages must be uninstalled and reinstalled is:
When installing a p...