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Regex - Does not contain certain Characters
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^[^<>]+$
The caret in the character class ([^) means match anything but, so this means, beginning of string, then one or more of anything except < and >, then the end of the string.
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What is App.config in C#.NET? How to use it?
...nnection String Configuration (MSDN)
Settings can be configured using built-in configuration sections such as connectionStrings or appSettings. You can add your own custom configuration sections; this is an advanced topic, but very powerful for building strongly-typed configuration files.
Web app...
Mac OS X Terminal: Map option+delete to “backward delete word”
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Why is this not default?!
– Ross Hambrick
Jul 10 '14 at 20:24
8
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How do I escape double quotes in attributes in an XML String in T-SQL?
...t; lol"
**edit: ** tested; works fine:
declare @xml xml
set @xml = '<transaction><item value="hi &quot;mom&quot; lol"
ItemId="106" ItemType="2" instanceId="215923801" dataSetId="1" /></transaction>'
select @xml.value('(//item/@value)[1]','varchar(50)')
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...th is not Associative. The way you group the operands in floating point multiplication has an effect on the numerical accuracy of the answer.
As a result, most compilers are very conservative about reordering floating point calculations unless they can be sure that the answer will stay the same, o...
How can I shrink the drawable on a button?
...rawable file for your image as below and use it for android:drawableLeft
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/half_overlay"
android:drawable="@drawable/myDrawable"
androi...
Why does .NET foreach loop throw NullRefException when collection is null?
...perator:
int[] array = null;
foreach (int i in array ?? Enumerable.Empty<int>())
{
System.Console.WriteLine(string.Format("{0}", i));
}
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How do you automatically set text box to Uppercase?
...r starts typing in the text box for example railway , then it should be altered to capital letters like RAILWAY without the user having to press the Caps-lock button.
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...ethods from answers to similar questions scattered around this site.
tmp <- data.frame(x=gl(2,3, labels=letters[24:25]),
y=gl(3,1,6, labels=letters[1:3]),
z=c(1,2,3,3,3,2))
Using the tidyverse:
The new cool new way to do this is with pivot_wider from tidy...
How do I typedef a function pointer with the C++11 using syntax?
...f you want to "take away the uglyness", try what Xeo suggested:
#include <type_traits>
using FunctionPtr = std::add_pointer<void()>::type;
And here is another demo.
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