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do..end vs curly braces for blocks in Ruby
...s, but there is also a difference between the two that can be illustrated with this example:
puts [1,2,3].map{ |k| k+1 }
2
3
4
=> nil
puts [1,2,3].map do |k| k+1; end
#<Enumerator:0x0000010a06d140>
=> nil
This means that {} has a higher precedence than do..end, so keep that in mind wh...
How to work around the lack of transactions in MongoDB?
I know there are similar questions here but they are either telling me to switch back to regular RDBMS systems if I need transactions or use atomic operations or two-phase commit . The second solution seems the best choice. The third I don't wish to follow because it seems that many things coul...
Can a recursive function be inline?
As I was reading this , found that the above code would lead to "infinite compilation" if not handled by compiler correctly.
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Subversion stuck due to “previous operation has not finished”?
If I try to update my subversion repo, it says I must run cleanup. If I run cleanup, it says a file is missing. (I deleted a MASSIVE directory of files that failed to commit this morning from my home pc, but then I commit the same set of files from work, and now my home repo is bust). So, cleanup sa...
Why does GitHub recommend HTTPS over SSH?
On the GitHub site there is a link...
7 Answers
7
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How to RSYNC a single file?
...
You do it the same way as you would a directory, but you specify the full path to the filename as the source. In your example:
rsync -avz --progress /var/www/public_html/.htaccess root@<remote-ip>:/var/www/public_html/
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Bootstrap 3 and 4 .container-fluid with grid adding unwanted padding
I'd like my content to be fluid, but when using .container-fluid with Bootstrap's grid, I'm still seeing padding.
13 Answ...
How can I use console logging in Internet Explorer?
..." (F12). Click the "Script" tab, then click "Console" on the right.
From within your JavaScript code, you can do any of the following:
<script type="text/javascript">
console.log('some msg');
console.info('information');
console.warn('some warning');
console.error('some error...
Removing cordova plugins from the project
...ow in my app many of the cordova plugins are installed and because of that it requires access to almost everything - from my contacts to current location ( even though this app doesn't need this ).
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How to use Comparator in Java to sort
I learned how to use the comparable but I'm having difficulty with the Comparator. I am having a error in my code:
14 Answ...