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set up device for development (???????????? no permissions)
I am using a Samsung galaxy nexus phone ( Android 4.0 platform) .
26 Answers
26
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Insert line after first match using sed
...ed is default, because it understands \n in the replacement string. Plain-vanilla (POSIX) sed does not understand \n in the replacement string, however, so this won't work on BSD or macOS—unless you've installed GNU sed somehow. With vanilla sed you can embed newlines by "escaping" them—that is,...
Laravel Schema onDelete set null
Can't figure out how to set proper onDelete constraint on a table in Laravel. (I'm working with SqLite)
4 Answers
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Storing a Map using JPA
I am wondering if it is possible using annotations to persist the attributes map in the following class using JPA2
2 Answ...
How can I convert byte size into a human-readable format in Java?
...= 1,048,576 bytes, etc. As of O, the prefixes are used in their standard meanings in the SI system, so kB = 1000 bytes, MB = 1,000,000 bytes, etc.
– HendraWD
Jun 11 '18 at 11:27
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Reconnection of Client when server reboots in WebSocket
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I have been using this patten for a while for pure vanilla JavaScript, and it supports a few more cases than the other answers.
document.addEventListener("DOMContentLoaded", function() {
'use strict';
var ws = null;
function start(){
ws = new WebSocket("ws://loc...
Where can I get a “useful” C++ binary search algorithm?
I need a binary search algorithm that is compatible with the C++ STL containers, something like std::binary_search in the standard library's <algorithm> header, but I need it to return the iterator that points at the result, not a simple boolean telling me if the element exists.
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Drop multiple tables in one shot in mysql
How to drop multiple tables from one single database at one command.
something like,
4 Answers
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Prevent unit tests but allow integration tests in Maven
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To expand on comments from @danidemi and @GuillaumeHusta:
FYI : skipTests is now deprecated in Failsafe Plugin 3.0.0-M3 (SUREFIRE-1611)
So to skip unit tests, but not integration tests, you can do this if you're using the latest version of the Fail...
Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
...t; or ICollection<Cat> is passed to code expecting an IEnumerable<Animal>, the Count() extension method will be fast if it implements the non-generic ICollection, but not if it only implements the generic interfaces since a typical ICollection<Cat> will not implement ICollection<...