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Modifying a query string without reloading the page
...am creating a photo gallery, and would like to be able to change the query string and title when the photos are browsed.
5 ...
What's the (hidden) cost of Scala's lazy val?
...he following Java code:
class LazyTest {
public int bitmap$0;
private String msg;
public String msg() {
if ((bitmap$0 & 1) == 0) {
synchronized (this) {
if ((bitmap$0 & 1) == 0) {
synchronized (this) {
msg = "Lazy";
...
Try-catch speeding up my code?
... I’ve always wondered why the C# compiler generates so many extraneous locals. For example, new array initialisation expressions always generate a local, but is never necessary to generate a local. If it allows the JITter to produce measurably more performant code, perhaps the C# comp...
Why is Spring's ApplicationContext.getBean considered bad?
...{
private MySpringBean mySpringBean;
public static void main(String[] args) {
AutowireThisDriver atd = new AutowireThisDriver(); //get instance
ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext(
"/WEB-INF/applicationContext.xml"); ...
A regex to match a substring that isn't followed by a certain other substring
...--------------------------
^ the beginning of the string
--------------------------------------------------------------------------------
( group and capture to \1:
--------------------------------------------------------------------------------
...
parseInt vs unary plus, when to use which?
...lete set of cases
Well, here are a few differences I know of:
An empty string "" evaluates to a 0, while parseInt evaluates it to NaN. IMO, a blank string should be a NaN.
+'' === 0; //true
isNaN(parseInt('',10)); //true
The unary + acts more like parseFloat since it also acce...
Using current time in UTC as default value in PostgreSQL
...
Correction: The 'utc' string must also be single-quoted, not double-quoted.
– code_dredd
Nov 22 '19 at 1:11
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JSON.Net Self referencing loop detected
... var q = (from a in db.Events where a.Active select a).ToList(); like
string jsonStr = Newtonsoft.Json.JsonConvert.SerializeObject(q, jsonSerializerSettings);
See:
https://www.newtonsoft.com/json/help/html/PreserveObjectReferences.htm
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How to calculate the CPU usage of a process by PID in Linux from C?
...s swapped out.
state %c
One character from the string "RSDZTW" where R is runâ
ning, S is sleeping in an interruptible wait, D is waitâ
ing in uninterruptible disk sleep, Z is zombie, T is
traced or stopped (on...
What is the difference between `let` and `var` in swift?
...This is not immediately obvious from basic examples involving integers and strings.
– SaltyNuts
Apr 27 '15 at 15:56
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