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Simple argparse example wanted: 1 argument, 3 results
... above as follows:
...
parser.add_argument("a", nargs='?', default="check_string_for_empty")
...
if args.a == 'check_string_for_empty':
print 'I can tell that no argument was given and I can deal with that here.'
elif args.a == 'magic.name':
print 'You nailed it!'
else:
print args.a
T...
How can I remove a style added with .css() function?
...
Changing the property to an empty string appears to do the job:
$.css("background-color", "");
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Why does Node.js' fs.readFile() return a buffer instead of string?
...asis mine):
Why does Node.js' fs.readFile() return a buffer instead of string?
Because files aren't always text
Even if you as the programmer know it: Node has no idea what's in the file you're trying to read. It could be a text file, but it could just as well be a ZIP archive or a JPG image ...
How do you detect Credit card type based on number?
...ed it with thousands of real BIN codes. The most important is to use start strings (^) otherwise it will give false results in real world!
JCB ^(?:2131|1800|35)[0-9]{0,}$ Start with: 2131, 1800, 35 (3528-3589)
American Express ^3[47][0-9]{0,}$ Start with: 34, 37
Diners Club ^3(?:0[0-59]{1}|[689])...
How does Duff's device work?
...nion that is the key to understanding this code.
– Richard Chambers
Apr 20 '13 at 23:03
3
Am I mi...
How to split a sequence into two pieces by predicate?
...like this (modify if you need to search for ints)
def split(list_in: List[String], search: String): List[List[String]] = {
def split_helper(accum: List[List[String]], list_in2: List[String], search: String): List[List[String]] = {
val (h1, h2) = list_in2.span({x: String => x!= search})
...
Using varchar(MAX) vs TEXT on SQL Server
... wrong. LIKE can not use index ONLY if wildcard is at the beginning of the string being searched against.
– SouravA
Jan 5 '15 at 22:42
...
Python Script execute commands in Terminal
... subprocess module instead.
Read here: reading a os.popen(command) into a string
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ADB Shell Input Events
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By adb shell input keyevent, either an event_code or a string will be sent to the device.
usage: input [text|keyevent]
input text <string>
input keyevent <event_code>
Some possible values for event_code are:
0 --> "KEYCODE_UNKNOWN"
1 --> "KEYCODE_MENU...
Is a LINQ statement faster than a 'foreach' loop?
...am
{
public class Employee
{
public int id;
public string name;
public string lastname;
public DateTime dateOfBirth;
public Employee(int id,string name,string lastname,DateTime dateOfBirth)
{
this.id = id;
this.name = n...