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Convert a RGB Color Value to a Hexadecimal String
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You can use
String hex = String.format("#%02x%02x%02x", r, g, b);
Use capital X's if you want your resulting hex-digits to be capitalized (#FFFFFF vs. #ffffff).
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Maximum Length of Command Line String
In Windows, what is the maximum length of a command line string? Meaning if I specify a program which takes arguments on the command line such as abc.exe -name=abc
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How to make inline functions in C#
...n<T>, which is roughly equivalent to Func<T, T, int>.
Func<string, string, int> compare1 = (l,r) => 1;
Comparison<string> compare2 = (l, r) => 1;
Comparison<string> compare3 = compare1; // this one only works from C# 4.0 onwards
These can be invoked directly as...
Which is better, return “ModelAndView” or “String” on spring3 controller
...troller in pre-Spring 2.0. Now you can combine the Model parameter and the String return value, but the old approach is still valid.
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How can I order a List?
I have this List<string> :
5 Answers
5
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Difference between \A \z and ^ $ in Ruby regular expressions
...out distinguishing between the two. You may not always be in a position to string manipulate, only to Regex, so commit the right one to memory and know the difference!
– dooleyo
Mar 25 '14 at 18:01
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HTML text input allow only numeric input
...n of this.
function setInputFilter(textbox: Element, inputFilter: (value: string) => boolean): void {
["input", "keydown", "keyup", "mousedown", "mouseup", "select", "contextmenu", "drop"].forEach(function(event) {
textbox.addEventListener(event, function(this: (HTMLInputElement | HT...
make arrayList.toArray() return more specific types
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Like this:
List<String> list = new ArrayList<String>();
String[] a = list.toArray(new String[0]);
Before Java6 it was recommended to write:
String[] a = list.toArray(new String[list.size()]);
because the internal implementatio...
Login failed for user 'IIS APPPOOL\ASP.NET v4.0'
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ensure you have...
Trusted_Connection=false;
in your connection String
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Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
... the M:M comment, however. The schemas I've worked with almost always grow extra attributes on join tables. This induces a structural change to the object model, requiring a lot of code rework. I would much rather deal with the intermediate relation explicitly from the outset.
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