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What are the main performance differences between varchar and nvarchar SQL Server data types?
...ce is not the issue... but memory and performance will be.
Double the page reads, double index size, strange LIKE and = constant behaviour etc
Do you need to store Chinese etc script? Yes or no...
And from MS BOL "Storage and Performance Effects of Unicode"
Edit:
Recent SO question highlighting...
Correct way to close nested streams and writers in Java [duplicate]
...ition of Closeable calls for close() to ignore the call if the stream is already closed)
You can use the above class as follows:
try {
// ...
new AutoFileCloser() {
@Override protected void doWork() throws Throwable {
// declare variables for the readers and "watch" th...
What is a deadlock?
When writing multi-threaded applications, one of the most common problems experienced are deadlocks.
17 Answers
...
AngularJs: How to check for changes in file input fields?
I am new to angular. I am trying to read the uploaded file path from HTML 'file' field whenever a 'change' happens on this field. If i use 'onChange' it works but when i use it angular way using 'ng-change' it doesn't work.
...
Should a return statement be inside or outside a lock?
... lets code:
static class Program
{
static void Main() { }
static readonly object sync = new object();
static int GetValue() { return 5; }
static int ReturnInside()
{
lock (sync)
{
return GetValue();
}
}
static int ReturnOutside()
...
Get TFS to ignore my packages folder
... packages to your pending changes. So now let's tell NuGet to cut it out already.
Create a folder called .nuget in the root of your solution folder.1 Now, create a file called NuGet.config, and put it in this new folder2. Its contents should look like this:
<?xml version="1.0" encoding="utf-8"?...
Retain precision with double in Java
...le to represent the number exactly.
As has been mentioned several times already, Java has a BigDecimal class which will handle very large numbers and very small numbers.
From the Java API Reference for the BigDecimal class:
Immutable,
arbitrary-precision signed decimal
numbers. A BigDecim...
Difference between object and class in Scala
...here also exist some special features of objects in Scala.
I recommend to read the official documentation.
def apply(...) enables the usual method name-less syntax of A(...)
def unapply(...) allows to create custom pattern matching extractors
if accompanying a class of the same name, the object a...
Will code in a Finally statement fire if I return a value in a Try block?
...
@Edi: Um, I don't see what background threads have to do with it. Basically, unless the whole process aborts, the finally block will execute.
– Jon Skeet
Sep 22 '16 at 13:57
...
Can I use if (pointer) instead of if (pointer != NULL)?
...Yes, you can. In fact, I prefer to use if(pointer) because it's simpler to read and write once you get used to it.
Also note that C++11 introduced nullptr which is preferred over NULL.
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