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How to convert a std::string to const char* or char*?
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If you just want to pass a std::string to a function that needs const char* you can use
std::string str;
const char * c = str.c_str();
If you want to get a writable copy, like char *, you can do that with this:
std::string str;
char * writa...
When to use “new” and when not to, in C++? [duplicate]
When should I use the "new" operator in C++? I'm coming from C#/Java background and instantiating objects is confusing for me.
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Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...e shell you can do redirection, > < , etc., but how about AFTER a program is started?
8 Answers
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codestyle; put javadoc before or after annotation?
...ve everything else, then annotations, then code.
See the bug report here:
https://youtrack.jetbrains.com/issue/IDEA-220520
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Expand div to max width when float:left is set
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Hope I've understood you correctly, take a look at this: http://jsfiddle.net/EAEKc/
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Content with Menu</titl...
How can I recover the return value of a function passed to multiprocessing.Process?
In the example code below, I'd like to recover the return value of the function worker . How can I go about doing this? Where is this value stored?
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How do I get the file extension of a file in Java?
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Gradle Kotlin DSL
implementation("commons-io:commons-io:2.6")
Others https://search.maven.org/artifact/commons-io/commons-io/2.6/jar
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Save file to specific folder with curl command
...ion comes in curl 7.73.0:
curl --create-dirs -O --output-dir /tmp/receipes https://example.com/pancakes.jpg
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execJs: 'Could not find a JavaScript runtime' but execjs AND therubyracer are in Gemfile
...stall" on this box ?, I suggest you try to install a fedora rpm(long shot) https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager
or find another RH/CentOs box(that you can 'make' on) and create your own rpm and install on original RH box(if old glibc on RH plays nice).
The re...
Run cron job only if it isn't already running
...w you don't have to write the code yourself. Check out more reasons here: https://serverfault.com/a/82863
/usr/bin/flock -n /tmp/my.lockfile /usr/local/bin/my_script
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