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How can I pass command-line arguments to a Perl program?
...\$length, # numeric
"file=s" => \$data, # string
"verbose" => \$verbose); # flag
Alternatively, @ARGV is a special variable that contains all the command line arguments. $ARGV[0] is the first (ie. "string1" in your case) and $ARGV[1] is the...
What are the main purposes of using std::forward and which problems it solves?
...ways passed as a normal reference.
#include <iostream>
#include <string>
#include <utility>
void overloaded_function(std::string& param) {
std::cout << "std::string& version" << std::endl;
}
void overloaded_function(std::string&& param) {
std::cout...
How do I get the localhost name in PowerShell?
...~~~~~~~~~~ + CategoryInfo : ObjectNotFound: (env:COMPUTERNAME:String) [], CommandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException
– mathisfun
Mar 14 '18 at 12:21
...
Switch case with fallthrough?
...sh unless you like to define them.
use [23] in case to match 2 or 3
static string cases should be enclosed by '' instead of ""
If enclosed in "", the interpreter (needlessly) tries to expand possible variables in the value before matching.
case "$C" in
'1')
do_this
;;
[23])
do_what_...
Using i and j as variables in Matlab
...note the imaginary unit (1j works too). The only exception is when passing strings to the always-slightly-incompatible Symbolic engine. Strange that help 1i and doc 1i don't work though.
– horchler
Jun 2 '13 at 23:45
...
How does a PreparedStatement avoid or prevent SQL injection?
...he final form query that is constructed using PreparedStatements will be a string or otherwise?
10 Answers
...
Get only part of an Array in Java?
...
there is another problem. What if I need to split the string array of length say 500K into the subarrays of 250K. These method accepts interegr which max out at 65000.
– Vishnu Dahatonde
Oct 10 '17 at 10:20
...
How do I make an asynchronous GET request in PHP?
... $val);
$post_params[] = $key.'='.urlencode($val);
}
$post_string = implode('&', $post_params);
$parts=parse_url($url);
$fp = fsockopen($parts['host'],
isset($parts['port'])?$parts['port']:80,
$errno, $errstr, 30);
$out = "POST ".$parts['path']." HT...
How to convert a string to an integer in JavaScript?
How do I convert a string to an integer in JavaScript?
27 Answers
27
...
How do I get a class instance of generic type T?
...Factory;
private final Class<T> genericType;
private final String RECORD_COUNT_HQL;
private final String FIND_ALL_HQL;
@SuppressWarnings("unchecked")
public AbstractHibernateDao()
{
this.genericType = (Class<T>) GenericTypeResolver.resolveTypeArgument(g...