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C/C++ macro string concatenation
...
If they're both strings you can just do:
#define STR3 STR1 STR2
The preprocessor automatically concatenates adjacent strings.
EDIT:
As noted below, it's not the preprocessor but the compiler that does the concatenation.
...
Value Change Listener to JTextField
... private static final long serialVersionUID = 1L;
public static final String TEXT_PROPERTY = "text";
public CoolJTextField() {
this(0);
}
public CoolJTextField(int nbColumns) {
super("", nbColumns);
this.setDocument(new MyDocument());
}
@SuppressWa...
Use JNI instead of JNA to call native code?
...o Java using standard Java syntax. For example, here's how you'd print a C string to the Java standard output:
native "C++" void printHello() {
const char* helloWorld = "Hello, World!";
`System.out.println(#$(helloWorld));`
}
JANET then translates the backtick-embedded Java into the appro...
Reading a file line by line in Go
...tion into your own function which calls ReadLine in a for-loop.
bufio.ReadString('\n') isn't fully equivalent to ReadLine because ReadString is unable to handle the case when the last line of a file does not end with the newline character.
...
File Upload ASP.NET MVC 3.0
... Another point is you can replace the controller and action names (strings) in the Html.BeginForm() call like so: Html.BeginForm(null, null, FormMethod.Post, new { enctype = "multipart/form-data" }). This is useful if it is a partial view that is called from multiple parent views (or similar...
How to get the text node of an element?
... possible iterations. Comparing two small numbers is better than comparing strings of various lengths (time and space considerations). The correct question to ask in this situation is "what kind / type of node do I have?", and not "what name do I have?" developer.mozilla.org/en-US/docs/Web/API/Node/...
What is the difference between XML and XSD?
...<xs:sequence>
<xs:element name="child_one" type="xs:string" />
<xs:element name="child_two" type="xs:int" />
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType...
Accessing an SQLite Database in Swift
...autoincrement, name text)", nil, nil, nil) != SQLITE_OK {
let errmsg = String(cString: sqlite3_errmsg(db)!)
print("error creating table: \(errmsg)")
}
Use sqlite3_prepare_v2 to prepare SQL with ? placeholder to which we'll bind value.
var statement: OpaquePointer?
if sqlite3_prepare_v2(db...
How do I break out of nested loops in Java?
... outer loop. For example:
public class Test {
public static void main(String[] args) {
outerloop:
for (int i=0; i < 5; i++) {
for (int j=0; j < 5; j++) {
if (i * j > 6) {
System.out.println("Breaking");
...
How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
...ant to reference R.drawable.my_image, it's safer to save it to bundle as a string( bundle.putString("img", "my_image")and then convert when needed to actual @DrawableRes integer as follows: ctx.resources.getIdentifier(bundle.getString("img"), "drawable", ctx.packageName)
– vano...