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How can I truncate a double to only two decimal places in Java?
...gMode(RoundingMode.DOWN);
s = df.format(d);
Check available RoundingMode and DecimalFormat.
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How to make gradient background in android
I want to create gradient background where the gradient is in the top half and there's a solid color in the bottom half, like in this image below:
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Use of Initializers vs Constructors in Java
So I've been brushing up on my Java skills as of late and have found a few bits of functionality that I didn't know about previously. Static and Instance Initializers are two such techniques.
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How do I install cygwin components from the command line?
...ebian or yum on redhat that allows me to install components from the command line?
9 Answers
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How to load a xib file in a UIView
I have been searching everywhere and nothing so far has worked for me.
7 Answers
7
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How do I pronounce “=>” as used in lambda expressions in .Net
... fact, I asked this very question on the official linq pre-release forums, and Anders Hejlsberg responded by saying
I usually read the => operator as "becomes" or "for which". For example,
Func f = x => x * 2;
Func test = c => c.City == "London";
reads as "x becomes x * 2" and "c ...
How to get child element by class name?
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Use doc.childNodes to iterate through each span, and then filter the one whose className equals 4:
var doc = document.getElementById("test");
var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = ...
Java Runtime.getRuntime(): getting output from executing a command line program
I'm using the runtime to run command prompt commands from my Java program. However, I'm not aware of how I can get the output the command returns.
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How can I catch a ctrl-c event?
...;stdlib.h>
#include <stdio.h>
#include <unistd.h>
void my_handler(int s){
printf("Caught signal %d\n",s);
exit(1);
}
int main(int argc,char** argv)
{
struct sigaction sigIntHandler;
sigIntHandler.sa_handler = my_handler;
sigemptyset(&sigIntHand...
Assign null to a SqlParameter
...operator that explains the problem
Either the type of first_expression and second_expression must be the same, or an implicit conversion must exist from one type to the other.
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