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Android YouTube app Play Video Intent
...ontext context, String id){
Intent appIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("vnd.youtube:" + id));
Intent webIntent = new Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.youtube.com/watch?v=" + id));
try {
context.startActivity(appIntent);
} catch...
Not equal != operator on NULL
...e IS NOT NULL, while to compare with not null value, you use <> 'YOUR_VALUE'. I can't say if my value equals or not equals to NULL, but I can say if my value is NULL or NOT NULL. I can compare if my value is something other than NULL.
...
How to send a header using a HTTP request through a curl call?
...
In PHP:
curl_setopt($ch, CURLOPT_HTTPHEADER, array('HeaderName:HeaderValue'));
or you can set multiple:
curl_setopt($ch, CURLOPT_HTTPHEADER, array('HeaderName:HeaderValue', 'HeaderName2:HeaderValue2'));
...
What is the best way to check for Internet connectivity using .NET?
...WebClient())
using (client.OpenRead("http://google.com/generate_204"))
return true;
}
catch
{
return false;
}
}
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Find size of an array in Perl
...
for [0..$#array] { print $array[$_ ] } works really well though if the purpose of getting the number of elements is to iterate through array. The advantage being that you get the element as well as a counter that are aligned.
– Westroc...
How do I automatically scroll to the bottom of a multiline text box?
... to add the suggested code to the TextChanged event:
private void textBox1_TextChanged(object sender, EventArgs e)
{
textBox1.SelectionStart = textBox1.Text.Length;
textBox1.ScrollToCaret();
}
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How can I check file size in Python?
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You need the st_size property of the object returned by os.stat. You can get it by either using pathlib (Python 3.4+):
>>> from pathlib import Path
>>> Path('somefile.txt').stat()
os.stat_result(st_mode=33188, st_ino=6419...
Pickle incompatibility of numpy arrays between Python 2 and 3
...mport gzip
import numpy
with open('mnist.pkl', 'rb') as f:
u = pickle._Unpickler(f)
u.encoding = 'latin1'
p = u.load()
print(p)
Unpickling it in Python 2 and then repickling it is only going to create the same problem again, so you need to save it in another format.
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Force line-buffering of stdout when piping to tee
...ndard C (or even POSIX). It's probably better to use setvbuf(stdout, NULL, _IOLBF, 0), which is exactly equivalent.
– rvighne
Oct 11 '19 at 7:13
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Efficiently test if a port is open on Linux?
...t recent distros ship with: Fedora, Centos, etc. (nmap-ncat-6.01-9.fc18.x86_64)
– Zack
Dec 20 '15 at 14:13
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