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Copying files from Docker container to host
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In order to copy a file from a container to the host, you can use the command
docker cp <containerId>:/file/path/within/container /host/path/target
Here's an example:
$ sudo docker cp goofy_roentgen:/out_read.jpg .
H...
Using bootstrap with bower
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You have install nodeJs on your system in order to execute npm commands. Once npm is properly working you can visit bower.io. There you will find complete documentation on this topic. You will find a command $ npm install bower. this will install bower on your machin...
Unbalanced calls to begin/end appearance transitions for
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You can generate this warning by presenting the modal vc before the app is done initializing. i.e. Start a tabbed application template app and present a modal vc on top of self.tabBarController as the last line in application:didFinishLaunching. Warning...
Remove first element from $@ in bash [duplicate]
...offset of 1;
> [ ${2} ]
# checks that ${2} exists ; again ${@} offset by 1
> &&
# are elements left in ${@}
> set ${@:2}
# sets parameter value to ${@} offset by 1
> ||
#or are not elements left in ${@}
> set "";
# sets par...
Why no love for SQL? [closed]
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MarkJ: I remember that I reordered WHERE clauses to optimize queries in oracle. They where resolved from bottom to the top... terrible.
– Stefan Steinegger
Oct 29 '09 at 12:55
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Swift: declare an empty dictionary
I am beginning to learn swift by following the iBook- The Swift Programming Language on Swift provided by Apple. The book says to create an empty dictionary one should use [:] same as while declaring array as [] :
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initializer_list and move semantics
...ve from a constant object. The language designers probably made that so in order to allow initializer lists to contain for instance string constants, from which it would be inappropriate to move.
However, if you are in a situation where you know that the initializer list contains rvalue expressions...
How to get nice formatting in the Rails console
...he y method is a handy way to get some pretty YAML output.
y ProductColor.all
Assuming you are in script/console
As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y method to work:
YAML::ENGINE.yamler = 'syck'
From rub...
Setup a Git server with msysgit on Windows [closed]
.../web/20100207010332/http://www.timdavis.com.au/…
– alldayremix
Dec 1 '12 at 5:01
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show 4 more comments
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How to “fadeOut” & “remove” a div in jQuery?
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Is it really worth a separate file every time you want one line of JavaScript on a page? I think inline has its place.
– Casey
Jun 3 '14 at 18:35
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