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Specify an SSH key for git push for a given domain

...As I mostly use my own private key, I have that defined in ~/.ssh/config for git@git.company.com . Does anyone know of a way to override the key that is used for a single git invocation? ...
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How can I remove or replace SVG content?

...gt; This removed all charts. d3.select("svg").remove(); This worked for removing the existing bar chart, but then I couldn't re-add the bar chart after d3.select("#barChart").remove(); Tried this. It not only let me remove the existing bar chart, but also let me re-add a new bar chart. d...
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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe

...r you'll be using a primitive data type or non primitive wrapper data type for declaring the field. @Column(name = "AGE") private int age; or @Column(name = "AGE") private INTEGER age; you'll have to declare the field as non primitive wrapper data type because the container will try to map th...
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How do I fetch a single model in Backbone?

... @makevoid can you please provide a working link? unfortunately, this one is broken for now – AlexNikolaev94 Oct 6 '16 at 11:50 ...
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How to split a string literal across multiple lines in C / Objective-C?

... Line2"; Better approach There's a better approach that works just for strings. Plain C: char *my_string = "Line 1 " "Line 2"; Objective-C: NSString *my_string = @"Line1 " "Line2"; // the second @ is optional The second approach is better, b...
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PostgreSQL Autoincrement

...mply never to use quotes in Pg. You can, if you want, use mixed case names for appearance, just don't require it: CREATE TABLE fooBar ( .. ); SELECT * FROM fooBar; will work, as will SELECT * FROM foobar. – Evan Carroll Jun 14 '11 at 5:04 ...
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How to determine if a record is just created or updated in after_save

... I was looking to use this for an after_save callback. A simpler solution is to use id_changed? (since it won't change on update) or even created_at_changed? if timestamp columns are present. Update: As @mitsy points out, if this check is needed outs...
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Foreign key constraint may cause cycles or multiple cascade paths?

... couldn't implicitly figure out on it's own eg if there are multiple paths for a delete referential action then your trigger code will define which tables are deleted and in which order. – onedaywhen Aug 5 '14 at 15:22 ...
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Validation of radio button group using jQuery validation plugin

How to perform validation for a radio button group (one radio button should be selected) using jQuery validation plugin? 8 ...
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Proper way to return JSON using node or Express

...hat response is a string too, if you want to send the response prettified, for some awkward reason, you could use something like JSON.stringify(anObject, null, 3) It's important that you set the Content-Type header to application/json, too. var http = require('http'); var app = http.createServer(fu...