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Do I need dependency injection in NodeJS, or how to deal with …?
...eaddirSync(dir);
for (var d in dirsOrFiles) {
if (d === 'error.txt') return true;
}
return false;
};
MyClass.test.js:
describe('MyClass', function(){
it('should return an error if error.txt is found in the directory', function(done){
var mc = new MyClass();
...
Fastest way to check if a file exist using standard C++/C++11/C?
...olution will be to use:
std::experimental::filesystem::exists("helloworld.txt");
and since C++17, only:
std::filesystem::exists("helloworld.txt");
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How to search file text for a pattern and replace it with a given value
...nto your programs.
Here's a quick short way to do it.
file_names = ['foo.txt', 'bar.txt']
file_names.each do |file_name|
text = File.read(file_name)
new_contents = text.gsub(/search_regexp/, "replacement string")
# To merely print the contents of the file, use:
puts new_contents
# To ...
What are namespaces?
...a namespace for the files within them. As a concrete example, the file foo.txt can exist in both directory /home/greg and in /home/other, but two copies of foo.txt cannot co-exist in the same directory. In addition, to access the foo.txt file outside of the /home/greg directory, we must prepend the ...
What does the function then() mean in JavaScript?
...resolve,reject) {
setTimeout(resolve, 2000);
})
}
function log(txt) {
document.getElementById('msg').innerHTML += txt + '<br>'
}
<div id='msg'></div>
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Include headers when using SELECT INTO OUTFILE?
...1;"|head -n1|xargs|sed -e "s/ /'\;'/g"`
echo "\'$CSVHEAD\'" > $TMP/head.txt
/usr/bin/mysql $CONNECTION_STRING -e "$QUERY into outfile '${TMP}/data.txt' fields terminated by ';' optionally enclosed by '\"' escaped by '' lines terminated by '\r\n';"
cat $TMP/head.txt $TMP/data.txt > $TMP/data.cs...
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...
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How to get the first line of a file in a bash script?
...t list of your source file into your target file.
echo $(head -n 1 source.txt) > target.txt
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Run all SQL files in a directory
... i put the output to separate files using -o ? whenever i use like -o temp.txt, this temp.txt is overwritten. i want to get the output files as same sql file name.
– kevin
May 4 '17 at 6:22
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How to get a list of installed Jenkins plugins with name and version pair
...
Great answer for quickly creating a plugins.txt for docker Jenkins!
– Erik Englund
Jun 3 '16 at 6:47
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