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Fastest method to replace all instances of a character in a string [duplicate]
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The easiest would be to use a regular expression with g flag to replace all instances:
str.replace(/foo/g, "bar")
This will replace all occurrences of foo with bar in the string str. If you just have a string, you can convert it to a RegExp...
How can a LEFT OUTER JOIN return more records than exist in the left table?
I have a very basic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger.
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How to get last key in an array?
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A solution would be to use a combination of end and key (quoting) :
end() advances array 's internal pointer to the last element, and returns its value.
key() returns the index element of the current array position.
So, a portion of cod...
Pretty-print C++ STL containers
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This solution was inspired by Marcelo's solution, with a few changes:
#include <iostream>
#include <iterator>
#include <type_traits>
#include <vector>
#include <algorithm>
// This works similar to ostream_iterator, but d...
Concatenate text files with Windows command line, dropping leading lines
...file1.txt > out.txt
or you can use copy. See copy /? for more.
copy /b temp+file1.txt out.txt
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What's the best three-way merge tool? [closed]
Subversion, Git, Mercurial and others support three-way merges (combining mine, theirs, and the "base" revision) and support graphical tools to resolve conflicts.
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How can I undo git reset --hard HEAD~1?
Is it possible to undo the changes caused by the following command? If so, how?
18 Answers
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When creating a service with sc.exe how to pass in context parameters?
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sc create <servicename> binpath= "<pathtobinaryexecutable>" [option1] [option2] [optionN]
The trick is to leave a space after the = in your create statement, and also to use " " for anything containing special characters or spaces.
It is ad...
npm install error - MSB3428: Could not load the Visual C++ component “VCBuild.exe”
...roxy-host:your-proxy-port
run this:
npm install -g --production windows-build-tools
No need for Visual Studio. This has what you need.
References:
https://www.npmjs.com/package/windows-build-tools
https://github.com/felixrieseberg/windows-build-tools
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ReactJS Two components communicating
I just got started with ReactJS and am a little stuck on a problem that I have.
11 Answers
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