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How to refer environment variable in POM.xml?
...independent. Because it's only valid in upper case form running on Windows OS. For example, ${env.M2_HOME} is valid, ${env.m2_home} is invalid, even if you defined a environment variable named m2_home.
– Jeff Liu
Aug 2 '14 at 10:45
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Importing CSV with line breaks in Excel 2007
...h, Joe","Hey.
My name is Joe."
doesn't work. I wrote it in Notepad and chose Save as..., and next to the Save button you can choose the encoding. I chose UTF-8 as suggested, but with no luck. Changing the commas to semicolons worked for me, though. I didn't change anything else, and it just worked...
Automatically add all files in a folder to a target using CMake?
I am considering switching a cross platform project from separate build management systems in Visual C++, XCode and makefiles to CMake.
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Open a URL in a new tab (and not a new window)
I'm trying to open a URL in a new tab, as opposed to a popup window.
33 Answers
33
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How do I execute a command and get the output of the command within C++ using POSIX?
...
#include <cstdio>
#include <iostream>
#include <memory>
#include <stdexcept>
#include <string>
#include <array>
std::string exec(const char* cmd) {
std::array<char, 128> buffer;
std::string result;
std::uniqu...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...memory for the innodb_buffer_pool_size in the my.cfg file you show in the post, but MySQL thinks you are asking for 512M of memory:
Initializing buffer pool, size = 512.0M
A few lines down, the error message tells you MySQL will not start because it cannot reserve enough (512M) memory for the ...
How to disable / enable dialog negative positive buttons?
...on the dialog and if the text field is empty I would like to disable the positiveButton . I can get a charListener for the text field but I am not sure how I am going to set the positivebutton to disable or enable from that listener? What is the reference for the positive and negative buttons?
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What is the “Execute Around” idiom?
... try {
action.useStream(stream);
} finally {
stream.close();
}
}
// Calling it
executeWithFile("filename.txt", new InputStreamAction()
{
public void useStream(InputStream stream) throws IOException
{
// Code to use the stream goes here
}
});
// Calling ...
What are conventions for filenames in Go?
... suffix _test.go are only compiled and run by the go test tool.
Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will only build on linux, name_amd64.go will only build on amd64. This is the same as having a //+build amd64 line at the t...
How to execute PHP code from the command line?
...CLI SAPI. Try php-cli, maybe it's a package or a command available in your OS.
If you do see that your php command uses the CLI (Command Line Interface) SAPI (Server API), then run php -h | grep code to find out which crazy switch - as this hasn't changed for year- allows to run code in your versio...