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Concatenate multiple files but include filename as section headers
... Of note, passing -n to grep also yields line numbers which allows you to write simple linters with pinpointing that could be picked up by, e.g., emacs.
– DepressedDaniel
Mar 13 '17 at 3:23
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Sorting a vector of custom objects
...f coverage. I put forward an implementation using lambda expressions.
C++11
#include <vector>
#include <algorithm>
using namespace std;
vector< MyStruct > values;
sort( values.begin( ), values.end( ), [ ]( const MyStruct& lhs, const MyStruct& rhs )
{
return lhs.key...
How to get the url parameters using AngularJS
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JeffJeff
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Problem with converting int to string in Linq to entities
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If you call AsEnumerable you will pay a high performance price on larger databases because it will bring everything in memory. IEnumerable is slower in comparison with IQueryable because the later is executed exclusively in the data...
Converting user input string to regular expression
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11 Answers
11
Active
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Suppress or Customize Intro Message in Fish Shell
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A little nuance, but to have no greeting at all, just invoke the suggested set command.
– gitness
Aug 21 '19 at 0:14
add a comment
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Making git auto-commit
I'd like to use git to record all the changes to a file.
18 Answers
18
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How to remove all null elements from a ArrayList or String Array?
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Try:
tourists.removeAll(Collections.singleton(null));
Read the Java API. The code will throw java.lang.UnsupportedOperationException for immutable lists (such as created with Arrays.asList); see this answer for more details.
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How can you use optional parameters in C#?
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Good on you for providing up-to-date information. Ideally the original answers would be updated with current information such as C# 4.0. I believe that is what the SO guys originally had in mind, a Wiki mentality, but everyone is a bit too afraid to edit someone else's answer.
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Add new attribute (element) to JSON object using JavaScript
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JSON stands for JavaScript Object Notation. A JSON object is really a string that has yet to be turned into the object it represents.
To add a property to an existing object in JS you could do the following.
object["property"] = value;
or
object.property = value;
If you provide ...