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How to run a python script from IDLE interactive shell?
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Python3:
exec(open('helloworld.py').read())
If your file not in the same dir:
exec(open('./app/filename.py').read())
See https://stackoverflow.com/a/437857/739577 for passing global/local variables.
In deprecated Python versions
Python2
Built...
convert string array to string
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string[] test = new string[2];
test[0] = "Hello ";
test[1] = "World!";
string.Join("", test);
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django order_by query set, ascending and descending
How can I order by descending my query set in django by date?
11 Answers
11
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How to hide the keyboard when I press return key in a UITextField?
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First make your file delegate for UITextField
@interface MYLoginViewController () <UITextFieldDelegate>
@end
Then add this method to your code.
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
[textField resignFirstResponder...
UIWebView background is set to Clear Color, but it is not transparent
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Also set :
[webView setBackgroundColor:[UIColor clearColor]];
[webView setOpaque:NO];
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custom listview adapter getView method being called multiple times, and in no coherent order
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This is not an issue, there is absolutely no guarantee on the order in which getView() will be called nor how many times. In your particular case you are doing the worst thing possible with a ListView by giving it a height=wrap_content. This forces ListView to measure a few children out...
Why does ConcurrentHashMap prevent null keys and values?
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From the author of ConcurrentHashMap himself (Doug Lea):
The main reason that nulls aren't allowed in ConcurrentMaps
(ConcurrentHashMaps, ConcurrentSkipListMaps) is that ambiguities that
may be just barely tolerable in non-concurr...
Trust Store vs Key Store - creating with keytool
I understand that the keystore would usually hold private/public keys and the trust store only public keys (and represents the list of trusted parties you intend to communicate with). Well, that's my first assumption, so if that's not correct, I probably haven't started very well...
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How to post data in PHP using file_get_contents?
...' => 'POST',
'header' => 'Content-Type: application/x-www-form-urlencoded',
'content' => $postdata
)
);
$context = stream_context_create($opts);
$result = file_get_contents('http://example.com/submit.php', false, $context);
Basically, you have to create a stream, ...
What is meant by immutable?
...ould be the dumbest question ever asked but I think it is quite confusing for a Java newbie.
17 Answers
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