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How do you detect Credit card type based on number?
...1|1800|35\d{3})\d{11}$/
}
for(var key in re) {
if(re[key].test(number)) {
return key
}
}
}
Unit test:
describe('CreditCard', function() {
describe('#detectCardType', function() {
var cards = {
'8800000000000000': 'UNIONPAY',
...
Batch files - number of command line arguments
...
Have tested this out to 2500 arguments as a function and used it to define arrays of same size. Dont ask me why exactly. Mostly just learning what batch is capable of.
– T3RR0R
Jan 4 at 12:56...
How to add percent sign to NSString
...helps in some cases, it is possible to use the unicode character:
NSLog(@"Test percentage \uFF05");
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TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
...swer, as also ran into a bit of confusion. You should be able to drop this test into any @RunWith(AndroidJUnit4.class) test you have in your project (you'll also need to add the dimens to your dimens.xml).
Note: All these tests pass
@Test public void testScaledFontSizes() {
if (Build.VERSION.SDK...
How to use SSH to run a local shell script on a remote machine?
...host
wall <<'ENDWALL'
Error: Out of cheese
ENDWALL
ftp ftp.secureftp-test.com <<'ENDFTP'
test
test
ls
ENDFTP
END2
ENDSSH
You can actually have a conversation with some services like telnet, ftp, etc. But remember that heredoc just sends the stdin as text, it doesn't wait for response b...
How do I use reflection to call a generic method?
...jects.Length; i++)
{
ProcessItem((dynamic)objects[i], "test" + i, i);
//ProcesItm((dynamic)objects[i], "test" + i, i);
//compiler error: The name 'ProcesItm' does not
//exist in the current context
//ProcessItem((dynamic)objects[i...
How to write a Python module/package?
...ute the live repository with our experiments, we create an account for the testing repository, and install twine for the upload process:
pip install twine
Now we're almost there, with our account created we simply tell twine to upload our package, it will ask for our credentials and upload our pa...
AssertContains on strings in jUnit
...
... and org.hamcrest.Matchers.containsString; in the latest api, in the hamcrest-library dependency.
– eis
Nov 26 '13 at 14:25
...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...
You can use Qemu to test assignments quickly. This procedure below takes less than 5 seconds on my 5 year old laptop.
Let's assume the student has to develop a program that takes unsigned ints, each on their own line, until a line with "-1" arr...
unix diff side-to-side results?
...y, --side-by-side
output in two columns
Hence, say:
diff -y /tmp/test1 /tmp/test2
Test
$ cat a $ cat b
hello hello
my name my name
is me is you
Let's compare them:
$ diff -y a b
hello ...