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Using HTML5/Canvas/JavaScript to take in-browser screenshots
...egion");
let scr = q(".screen");
let send = q(".send");
let start=0;
let sx,sy,ex,ey=-1;
r.style.width=0;
r.style.height=0;
let drawBox= () => {
r.style.left = (ex > 0 ? sx : sx+ex ) +'px';
r.style.top = (ey > 0 ? sy : sy+ey) ...
A non well formed numeric value encountered
I have a form that passes two dates (start and finish) to a PHP script that will add those to a DB. I am having problems validating this. I keep getting the following errors
...
How would I run an async Task method synchronously?
....RunSynchronously
.Net 4.0
Use this:
var x = (IAsyncResult)task;
task.Start();
x.AsyncWaitHandle.WaitOne();
...or this:
task.Start();
task.Wait();
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How can I parse a YAML file from a Linux shell script?
...ug: yes
verbose: no
debugging:
detailed: no
header: "debugging started"
## output
output:
file: "yes"
Which, when parsed using:
parse_yaml sample.yml
will output:
global_debug="yes"
global_verbose="no"
global_debugging_detailed="no"
global_debugging_header="debugging started"
...
Detect home button press in android
... @Override
public void onHomeLongPressed() {
}
});
mHomeWatcher.startWatch();
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
public class HomeWatcher {
static ...
Difference between map and collect in Ruby?
...3, 4567 => 'third' }
a = 1..10
many = 500_000
Benchmark.bm do |b|
GC.start
b.report("hash keys collect") do
many.times do
h.keys.collect(&:to_s)
end
end
GC.start
b.report("hash keys map") do
many.times do
h.keys.map(&:to_s)
end
end
GC.start
...
Threading pool similar to the multiprocessing Pool?
... the same API.
import multiprocessing
def worker(lnk):
....
def start_process():
.....
....
if(PROCESS):
pool = multiprocessing.Pool(processes=POOL_SIZE, initializer=start_process)
else:
pool = multiprocessing.pool.ThreadPool(processes=POOL_SIZE,
...
Fit Image in ImageButton in Android
...eType FIT_END Scale the image using END.
ImageView.ScaleType FIT_START Scale the image using START.
ImageView.ScaleType FIT_XY Scale the image using FILL.
ImageView.ScaleType MATRIX Scale using the image matrix when drawing.
https://developer.android.com/reference/android...
How to mark-up phone numbers?
...should be avoided unless specifically targeting Skype users.
Me? I'd just start including properly-formed tel: URIs on your pages (without sniffing the user agent) and wait for the rest of the world's phones to catch up :) .
Example:
<a href="tel:+18475555555">1-847-555-5555</a>
...
Visual Studio loading symbols
I'm working on a ColdFusion project for a while now, and Visual Studio started to behave strange for me at least.
16 Answ...