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What's the difference between == and .equals in Scala?
...in Java" - depends on what exactly this is:
public static void main(final String... args) {
final double unboxedNaN = Double.NaN;
final Double boxedNaN = Double.valueOf(Double.NaN);
System.out.println(unboxedNaN == unboxedNaN);
System.out.println(boxedNaN == boxedNaN);
System.o...
Can I change the viewport meta tag in mobile safari on the fly?
...
@the_nuts You're right, appendChild expects a node, not a string. Updated. Thanks.
– markquezada
Jun 22 '15 at 21:18
1
...
When do we need to set ProcessStartInfo.UseShellExecute to True?
...Execute must be false if
the UserName property is not null or
an empty string, or an
InvalidOperationException will be
thrown when the
Process.Start(ProcessStartInfo) method
is called.
When you use the operating system
shell to start processes, you can
start any document (which ...
What are Makefile.am and Makefile.in?
...ude <stdio.h>
int main (void) {
puts ("Hello world from " PACKAGE_STRING);
return 0;
}
Usage
autoreconf --install
mkdir build
cd build
../configure
make
sudo make install
autoconf_hello_world
sudo make uninstall
This outputs:
Hello world from automake_hello_world 1.0
Notes
autor...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...
NewState：状态的数值（0..4，见上文）
StateString：状态的名称（“Disconnected”等）
建立连接时出错
在尝试建立连接之前，首先会检查客户端的状态是否允许这样做（状态 = Disconnected 或 ConnectionAborted）。...
Difference between Lookup() and Dictionary(Of list())
... Stopwatch stopwatch = new Stopwatch();
var list = new List<string>();
for (int i = 0; i < 5000000; ++i)
{
list.Add(i.ToString());
}
stopwatch.Start();
var lookup = list.ToLookup(x => x);
stopwatch.Stop();
Co...
Cancellation token in Task constructor: why?
...in the accepted answer by Max Galkin:
class Program
{
static void Main(string[] args)
{
Console.WriteLine("*********************************************************************");
Console.WriteLine("* Start canceled task, don't pass token to constructor");
Console.Wri...
Python : List of dict, if exists increment a dict value, if not append a new dict
...store the visited urls as a LIST?
If you sort it as a dict, indexed by url string, for example, it would be way cleaner:
urls = {'http://www.google.fr/': dict(url='http://www.google.fr/', nbr=1)}
for url in list_of_urls:
if url in urls:
urls[url]['nbr'] += 1
else:
urls[url]...
Assert an object is a specific type
...to say here... Try to change the instanceOf(BaseClass.class) to instanceOf(String.class) and you'll see that it compile just fine but there will be an AssertionError thrown.
– maba
Sep 3 '14 at 11:39
...
JavaScript unit test tools for TDD
...r support
simple async support, including promises
test coverage reporting
string diff support
javascript # API for running tests
proper exit status for CI support etc
auto-detects and disables coloring for non-ttys
maps uncaught exceptions to the correct test case
async test timeout support
test-sp...