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Check synchronously if file/directory exists in Node.js
How can I synchronously check, using node.js , if a file or directory exists?
15 Answers
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How do I typedef a function pointer with the C++11 using syntax?
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It has a similar syntax, except you remove the identifier from the pointer:
using FunctionPtr = void (*)();
Here is an Example
If you want to "take away the uglyness", try what Xeo suggested:
#include <type_traits>
using FunctionPtr = std::add_pointer<void()>:...
Find and kill a process in one line using bash and regex
I often need to kill a process during programming.
25 Answers
25
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What is the advantage of using forwarding references in range-based for loops?
const auto& would suffice if I want to perform read-only operations. However, I have bumped into
3 Answers
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MySQL/Amazon RDS error: “you do not have SUPER privileges…”
I'm attempting to copy my mysql database from an Amazon EC2 to an RDS:
7 Answers
7
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Unix - create path of folders and file
I know you can do mkdir to create a directory and touch to create a file, but is there no way to do both operations in one go?
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How to convert the background to transparent? [closed]
I have no experience with any image processing/editing tools. I am doing a project which requires me to convert the images(small icon) with background colour(red/blue/white) to transparent for the website.
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Android Paint: .measureText() vs .getTextBounds()
...tTextBounds() , since I'm interested in getting both the height and width of the text to be rendered. However, the actual text rendered is always a bit wider than the .width() of the Rect information filled by getTextBounds() .
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in javascript, how can i get the last character in a string [duplicate]
If I have the following variable in javascript
7 Answers
7
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How do I clear my local working directory in Git? [duplicate]
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To reset a specific file to the last-committed state (to discard uncommitted changes in a specific file):
git checkout thefiletoreset.txt
This is mentioned in the git status output:
(use "git checkout -- <file>..." to discard chang...