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How to add a primary key to a MySQL table?
...ion of mysql are you on? (NOTE: I know it worked at the time I posted this and I believe it was 5.6... but I can't remember for sure)
– MER
Jul 18 '18 at 17:23
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WKWebView not loading local files under iOS 8
For previous iOS 8 betas, load a local web app (in Bundle) and it works fine for both UIWebView and WKWebView , and I even ported a web game using the new WKWebView API.
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Getting all file names from a folder using C# [duplicate]
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How does DirectoryInfo and FileInfo compare to the Directory.GetFiles approach?
– Aaron Franke
Dec 6 '18 at 22:17
add a com...
JAXB creating context and marshallers cost
...s a bit theoretical, what is the cost of creating JAXB context, marshaller and unmarshaller?
8 Answers
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How to download a branch with git?
...und out that I need to "checkout" the remote branch as a new local branch, and specify a new local branch name.
git checkout -b newlocalbranchname origin/branch-name
Or you can do:
git checkout -t origin/branch-name
The latter will create a branch that is also set to track the remote branch.
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Add up a column of numbers at the Unix shell
..... | paste -sd+ - | bc
is the shortest one I've found (from the UNIX Command Line blog).
Edit: added the - argument for portability, thanks @Dogbert and @Owen.
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How to print to console using swift playground?
...following the Apple Guide for their new language swift, but I don't understand why the bar on the right is only showing "Hello, playground" and not "Hello, world". Can someone explain why the println isn't being printed on the right?
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Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit
...never able to get any of these answers to work for me, but this is the command that I used to make it work for me. This way you don't need to use install_name_tool every time you update your mysql
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
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Map over object preserving keys
...h Underscore
Underscore provides a function _.mapObject to map the values and preserve the keys.
_.mapObject({ one: 1, two: 2, three: 3 }, function (v) { return v * 3; });
// => { one: 3, two: 6, three: 9 }
DEMO
With Lodash
Lodash provides a function _.mapValues to map the values and pre...
Error: Argument is not a function, got undefined
...ve the [] from the name ([myApp]) of module
angular.module('myApp', [])
And add ng-app="myApp" to the html and it should work.
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