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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$0 & 1) == 0) {
synchronized (this) {
msg = "Lazy";
...
How to output only captured groups with sed?
... what you don't want to be output as well as specifying what you do want.
string='This is a sample 123 text and some 987 numbers'
echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'
This says:
don't default to printing each line (-n)
exclude ...
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...
How to pass parameters to a partial view in ASP.NET MVC?
...N):
public static void RenderPartial(
this HtmlHelper htmlHelper,
string partialViewName,
Object model
)
so:
@{Html.RenderPartial(
"FullName",
new { firstName = model.FirstName, lastName = model.LastName});
}
...
Deciding between HttpClient and WebClient
... result = responseTask.Result;
var readTask = result.Content.ReadAsStringAsync().Result;
}
private void CallGetHttpClient()
{
var httpClient = new HttpClient();
httpClient.BaseAddress = new Uri("https://localhost:44354/api/test/");
var responseTask = http...
p vs puts in Ruby
...ject, while puts does not. 1.9.3p125 :002 > (p "foo").class "foo" => String 1.9.3p125 :003 > (puts "foo").class foo => NilClass
– Darren Cheng
Nov 21 '12 at 22:15
2
...
栈和队列的面试题Java实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... this.data = data;
}
}
public static void main(String[] args) {
Stack stack = new Stack();
stack.push(1);
stack.push(2);
stack.push(3);
System.out.println(stack.pop().data);
System.out.println(stack.pop().data);
...
How to get a list of current open windows/process with Java?
...pproach to parse the the process list from the command "ps -e":
try {
String line;
Process p = Runtime.getRuntime().exec("ps -e");
BufferedReader input =
new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((line = input.readLine()) != null) {
Sy...
How to get access to HTTP header information in Spring MVC REST controller?
...rInfo.do")
public void displayHeaderInfo(@RequestHeader("Accept-Encoding") String encoding,
@RequestHeader("Keep-Alive") long keepAlive) {
}
The Accept-Encoding and Keep-Alive header values are provided in the encoding and keepAlive parameters respectively.
And no ...