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Linux command (like cat) to read a specified quantity of characters

...the chars in line 5 and chars 5 to 8 of line 5, Note: tail -1 is used to select the last line displayed by the head. share | improve this answer | follow | ...
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How to manually send HTTP POST requests from Firefox or Chrome browser?

...Postman add your keys and values to the Body once x-www-form-urlencoded is selected. @Abhivav I just want to say thank you for the awesome application. Works really well when testing RESTful. – David Nov 9 '16 at 12:31 ...
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Redirecting EC2 Elastic Load Balancer from HTTP to HTTPS

...o the the following: Go to your Load Balancer in EC2 and tab "Listeners" Select "View/edit rules" on your HTTP listener Delete all rules except for the default one (bottom) Edit default rule: choose "Redirect to" as an action, leave everything as default and enter "443" as a port. The same can...
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Is it possible to ping a server from Javascript?

... You need to ping the servers concurrently. You can achieve that with select, threads or processes. For really hardcore solution you could use Eventmachine. – Epeli Nov 26 '10 at 2:59 ...
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Passing data between controllers in Angular JS?

...controllers. In your ProductController, define some action that adds the selected object to the array: app.controller('ProductController', function($scope, productService) { $scope.callToAddToProductList = function(currObj){ productService.addProduct(currObj); }; }); In your Car...
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Undo git update-index --assume-unchanged

...will print all files with their status grep '^[a-z]' will filter files and select only assume unchanged cut -c 3- will remove status and leave only paths, cutting from the 3-rd character to the end tr '\012' '\000' will replace end of line character (\012) to zero character (\000) xargs -0 git updat...
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Java Hashmap: How to get key from value?

...ick and dirty way that I've made constant maps, which will only work for a select few datasets: Contains only 1 to 1 pairs Set of values is disjoint from the set of keys (1->2, 2->3 breaks it) share | ...
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Hash String via SHA-256 in Java

...hich adds quite a few new MessageDigests compared to the relatively paltry selection available in the JDK. – mjuarez Jul 27 '14 at 9:51 add a comment  |  ...
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How to debug a maven goal with intellij idea?

...log) and set a breakpoint. Right-clicking on the desired Maven target and selecting 'Debug' as others have mentioned worked perfectly – Patrick Herrera Aug 29 at 8:10 add a c...
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How do I display an alert dialog on Android?

... Didn't work on drawer item selection, but this one did: stackoverflow.com/a/26097588/1953178 – Amr Hossam Nov 5 '15 at 16:30 5 ...