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Regex group capture in R with multiple capture-groups
...ionality of functions in other languages that I am used to:
regexpr_perl <- function(expr, str) {
match <- regexpr(expr, str, perl=T)
matches <- character(0)
if (attr(match, 'match.length') >= 0) {
capture_start <- attr(match, 'capture.start')
capture_length <- attr(...
Input size vs width
... font-family: 'Diplomata', cursive;
}
.set-width {
width: 220px;
}
<p>
<input type="text" size="10" class="narrow-font" value="0123456789" />
</p>
<p>
<input type="text" size="10" class="wide-font" value="0123456789" />
</p>
<p>
<input...
What is the correct way to make a custom .NET Exception serializable?
... private readonly string resourceName;
private readonly IList<string> validationErrors;
public SerializableExceptionWithCustomProperties()
{
}
public SerializableExceptionWithCustomProperties(string message)
: base(message)
{
...
PHP append one array to another (not array_push or +)
...d = array_merge($a,$b);
Why don't you want to use this, the correct, built-in method.
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Is if(items != null) superfluous before foreach(T item in items)?
...get NullReferenceException. However you can do something like this:
List<string> items = null;
foreach (var item in items ?? new List<string>())
{
item.Dump();
}
but you might check performance of it. So I still prefer having if (items != null) first.
Based on Eric's Lippert ...
Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
...nothing' in the query string when the ckecbox is not checked - so the default behaviour. Is this possible using the Html helper or do I have to simply use the <input> tag.
– Maksymilian Majer
Jun 21 '10 at 13:54
...
How to put Google Maps V2 on a Fragment using ViewPager
...ing up the layout for showing the map in the file location_fragment.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<com.goog...
Convert string to List in one line?
...
List<string> result = names.Split(new char[] { ',' }).ToList();
Or even cleaner by Dan's suggestion:
List<string> result = names.Split(',').ToList();
...
How to use stringstream to separate comma separated strings [duplicate]
...
#include <iostream>
#include <sstream>
std::string input = "abc,def,ghi";
std::istringstream ss(input);
std::string token;
while(std::getline(ss, token, ',')) {
std::cout << token << '\n';
}
abc
def...
Why does (0 < 5 < 3) return true?
...
Order of operations causes (0 < 5 < 3) to be interpreted in javascript as ((0 < 5) < 3) which produces (true < 3) and true is counted as 1, causing it to return true.
This is also why (0 < 5 < 1) returns false, (0 < 5) returns true...