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Static Vs. Dynamic Binding in Java
...le in Java
public class StaticBindingTest {
public static void main(String args[]) {
Collection c = new HashSet();
StaticBindingTest et = new StaticBindingTest();
et.sort(c);
}
//overloaded method takes Collection argument
public Collection sort(Collection ...
How to check for file lock? [duplicate]
...lar problem, I finished with the following code:
public bool IsFileLocked(string filePath)
{
try
{
using (File.Open(filePath, FileMode.Open)){}
}
catch (IOException e)
{
var errorCode = Marshal.GetHRForException(e) & ((1 << 16) - 1);
return err...
Efficient list of unique strings C#
What is the most efficient way to store a list of strings ignoring any duplicates?
I was thinking a dictionary may be best inserting strings by writing dict[str] = false; and enumerating through the keys as a list. Is that a good solution?
...
How to create PDFs in an Android app? [closed]
....5.0.jar),
(3) XMLWorker (xmlworker-5.5.1.jar).
public boolean createPDF(String rawHTML, String fileName, ContextWrapper context){
final String APPLICATION_PACKAGE_NAME = context.getBaseContext().getPackageName();
File path = new File( Environment.getExternalStorageDirectory(), APPLICATION...
Java generics T vs Object
...on error when I do wrong:
public class App {
public static void main(String[] args) {
String s = process("vv");
String b = process(new Object()); // Compilation error
}
public static <T> T process(T val) {
return val;
}
}
Using object I always nee...
SQL Case Sensitive String Compare
How do you compare strings so that the comparison is true only if the cases of each of the strings are equal as well. For example:
...
Kotlin: how to pass a function as parameter to another?
...
Use :: to signify a function reference, and then:
fun foo(m: String, bar: (m: String) -> Unit) {
bar(m)
}
// my function to pass into the other
fun buz(m: String) {
println("another message: $m")
}
// someone passing buz into foo
fun something() {
foo("hi", ::buz)
}
...
In javascript, is an empty string always false as a boolean?
...this behavior:
ToBoolean
The result is false if the argument is the empty String (its length is zero);
otherwise the result is true
Quote taken from http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
...
“Server” vs “Data Source” in connection string
... SqlLocalDb installed to work locally. Good, but I can see two connection strings typically and both works:
4 Answers
...
Android read text raw resource file
...redReader reader = new BufferedReader(new InputStreamReader(inputStream));
String line = reader.readLine();
while (line != null) { ... }
Don't forget that readLine() skips the new-lines!
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