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How do you use the Immediate Window in Visual Studio?
...used to execute code statements that are valid in the context of a break point and inspect values. I also use it to type code snippets to learn language features.
...
Media Queries: How to target desktop, tablet, and mobile?
...1281px) { /* hi-res laptops and desktops */ }
In practice, many designers convert pixels to ems, largely because ems afford better zooming. At standard zoom 1em === 16px, multiply pixels by 1em/16px to get ems. For example, 320px === 20em.
In response to the comment, min-width is standard in "mobil...
How do you use variables in a simple PostgreSQL script?
.....
END $$;
Also you can get the last insert id:
DO $$
DECLARE lastid bigint;
BEGIN
INSERT INTO test (name) VALUES ('Test Name')
RETURNING id INTO lastid;
SELECT * FROM test WHERE id = lastid;
END $$;
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Automatically create an Enum based on values in a database lookup table?
...fine a public enumeration with the name "MyEnum" and an underlying type of Integer.
EnumBuilder myEnum = moduleBuilder.DefineEnum("EnumeratedTypes.MyEnum",
TypeAttributes.Public, typeof(int));
// Get data from database
MyDataAdapter someAdapter = new MyDataAdapter();
MyData...
Android OpenGL ES and 2D
...hat you're ready to render a sprite.
First, you'll need to load the sprite into a texture: http://qdevarena.blogspot.com/2009/02/how-to-load-texture-in-android-opengl.html
However, this is the tutorial that really helped me out with loading sprites:
http://tkcodesharing.blogspot.com/2008/05/working...
How to take all but the last element in a sequence using LINQ?
... IEnumerable<T> SkipLastN<T>(this IEnumerable<T> source, int n) {
var it = source.GetEnumerator();
bool hasRemainingItems = false;
var cache = new Queue<T>(n + 1);
do {
if (hasRemainingItems = it.MoveNext()) {
cache.Enqueue(it.Current);
...
Occurrences of substring in a string
...uld be an infinite loop. This can be fixed by moving the last line of code into the if block.
String str = "helloslkhellodjladfjhello";
String findStr = "hello";
int lastIndex = 0;
int count = 0;
while(lastIndex != -1){
lastIndex = str.indexOf(findStr,lastIndex);
if(lastIndex != -1){
...
Append a Lists Contents to another List C#
...dRange(localStrings);
Note: You cannot declare the list object using the interface (IList).
Documentation: List<T>.AddRange(IEnumerable<T>).
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How do I create a unique constraint that also allows nulls?
...R TABLE dbo.Party ADD SamAccountNameUnique
AS (Coalesce(SamAccountName, Convert(varchar(11), PartyID)))
ALTER TABLE dbo.Party ADD CONSTRAINT UQ_Party_SamAccountName
UNIQUE (SamAccountNameUnique)
You simply have to put something in the computed column that will be guaranteed unique across the...
Behaviour of increment and decrement operators in Python
...ted because C compilers were stupid and didn't know how to optimize a += 1 into the inc instruction most computers have. In this day of optimizing compilers and bytecode interpreted languages, adding operators to a language to allow programmers to optimize their code is usually frowned upon, especia...