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Read specific columns from a csv file with csv module?
...t yet discovered better tools for working with tabular data (pandas, petl, etc.), which is fine, but if you plan to work with a lot of data in your career from various strange sources, learning something like petl is one of the best investments you can make. To get started should only take 30 minute...
How to cherry-pick multiple commits
...pick them in order by running git cherry-pick f~3 then git cherry-pick f~2 etc. up to git cherry-pick f (pressing the up arrow gets the previous command so I can quickly change the number and run it, should be similar in most consoles).
– David Mason
Mar 28 '14...
Full-screen iframe with a height of 100%
...er) that the iframe's parent has a height. And its parent. And its parent. Etc:
html, body { height: 100%; }
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Node.js + Express: Routes vs controller
...s/paths (ex. /user/:id) and connect them to Get, Post, Put/Update, Delete, etc. and then in the routes folder:
const subController = require('./../controllers/subController');
Router.use('/subs/:id);
Router
.route('subs/:id');
.get(
subController.getSub
.patch(
subController.updateSub
);
...
Docker can't connect to docker daemon
...g SSH command: Something went wrong running an SSH command!
command : cat /etc/os-release
err : exit status 255
output :
just re-run the three commands another time, and it should work the second time.
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ActionController::InvalidAuthenticityToken
...fragment caching to exclude part of page that sends request e.g. button_to etc. otherwise token will be stale/invalid.
I would be reluctant to nullify csrf protection...
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Should I commit or rollback a read transaction?
...n exactly one row as expected
a stored procedure raises an exception
data fetched is found to be inconsistent
user aborts the transaction because it's taking too long
deadlock or timeout
If COMMIT and ROLLBACK are used properly for a read-only transaction, it will continue to work as expected if D...
How to launch an Activity from another Application in Android
...this application:
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setComponent(new ComponentName("com.package.address","com.package.address.MainActivity"));
startActivity(intent);
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Is a GUID unique 100% of the time?
...noid is 6 GUIDs. Paranoid is one appended, very paranoid is two appended, etc.
– Suamere
Nov 27 '17 at 16:27
43
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How can I convert a std::string to int?
...lt; std::endl;
return 0;
}
Input text:
the format (-5) or (25) etc... some text.. and then.. 7987...78hjh.hhjg9878
Output integers:
5
25
7987
78
9878
The class numeric_only is defined as:
struct numeric_only: std::ctype<char>
{
numeric_only(): std::ctype<char>(get...