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Is there a better way to write this null check, and a non-empty check, in groovy?
...s since Groovy 1.8.1 http://docs.groovy-lang.org/docs/next/html/groovy-jdk/java/util/Collection.html#find(). Examples:
def lst1 = []
assert !lst1.find()
def lst2 = [null]
assert !lst2.find()
def lst3 = [null,2,null]
assert lst3.find()
def lst4 = [null,null,null]
assert !lst4.find()
def lst5 = [...
Get the IP address of the machine
...t addr:([\d.]+)/'
#include <stdlib.h>
int main() {
setenv("LANG","C",1);
FILE * fp = popen("ifconfig", "r");
if (fp) {
char *p=NULL, *e; size_t n;
while ((getline(&p, &n, fp) > 0) && p) {
if (p = st...
How to remove auto focus/keyboard popup of a field when the screen shows up?
...dited May 24 '12 at 10:34
Peter Lang
49.3k2626 gold badges138138 silver badges152152 bronze badges
answered May 24 '12 at 10:05
...
How to run Maven from another directory (without cd to project dir)?
...
java.lang.IllegalArgumentException: Parameter 'directory' is not a directory
– Damir Olejar
May 7 '17 at 15:22
...
Android – Listen For Incoming SMS Messages
...if (intent.HasExtra("pdus"))
{
var smsArray = (Java.Lang.Object[])intent.Extras.Get("pdus");
foreach (var item in smsArray)
{
var sms = SmsMessage.CreateFromPdu((byte[])item);
address = sms.Originatin...
How do disable paging by swiping with finger in ViewPager but still be able to swipe programmaticall
...w.animation.DecelerateInterpolator;
import android.widget.Scroller;
import java.lang.reflect.Field;
public class NonSwipeableViewPager extends ViewPager {
public NonSwipeableViewPager(Context context) {
super(context);
setMyScroller();
}
public NonSwipeableViewPager(Co...
How to add calendar events in Android?
...T +2:00");
/*Comment below visibility and transparency column to avoid java.lang.IllegalArgumentException column visibility is invalid error */
/*eventValues.put("visibility", 3); // visibility to default (0),
// confidential (1), private
...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”
...tioned here - slf4j.org/manual.html But i get a new error now - Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory
– david blaine
Apr 17 '13 at 7:10
...
How to use `string.startsWith()` method ignoring the case?
...tsWith("sEsSi".toLowerCase())); with vm arguments -Duser.country=TR -Duser.language=tr In this example the I is uppercase i
– DPM
Mar 2 '18 at 10:06
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...his is just a carry-over from using StringUtils.EMPTY in commons.lang from java. One point of interest is I'm almost blind and this definately does help with readability for me.
– Brett Ryan
Sep 11 '09 at 4:34
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