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How can I divide two integers to get a double?
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Supposing you don't need the extra precision, is there a reason to cast to double instead of float? I can see the question calls for double but I'm curious anyway.
– Kyle Delaney
May 17 '17 at 1:31
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Truststore and Keystore Definitions
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It is worth mentioning that KeyStore.load(InputStream is, char[] password) (docs) can take a null password and it then will give access to public certificates. That is, the code that wants to browse a truststore does not need to know it password (for very good reasons!)
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Difference between Inheritance and Composition
...s :
Public class Transaction {
Banking b;
public static void main(String a[])
{
b = new Deposit();
if(b.deposit()){
b = new Credit();
c.credit();
}
}
}
Good to know :
composition is easily achieved at runtime w...
How do I pipe a subprocess call to a text file?
... bash or dash), it's more secure that way as you're not open to all of the extra functionality provided by the shell (a whole programming language unto itself, with it's own exploits if passing in user provided data). Also take a look at shlex.quote if you are passing any possibly dirty data to a su...
TortoiseGit not showing icon overlays
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It is probably a matter of sorting. The double-quote character is one of the first printable characters, so "DropboxExt1" comes before 1TortoiseNormal, but "1TortoiseNormal" comes before "DropboxExt1". I also tried removing the double-quote from the Dropbox's keys and it worked...
Insert/Update Many to Many Entity Framework . How do I do it?
...ion of Classes. Since your StudentClass table only contains the Ids and no extra information, EF does not generate an entity for the joining table. That is the correct behaviour and that's what you expect.
Now, when doing inserts or updates, try to think in terms of objects. E.g. if you want to ins...
How to refresh Android listview?
... to get to the proper collection for updates. It's really just an needless extra layer of difficulty in most cases.
UI Thread
It is true that this has to be called from the UI thread. Other answers have examples on how to achieve this. However this is only required if you're working on this inform...
In Python, how do you convert seconds since epoch to a `datetime` object?
...ollows: datetime.fromtimestamp(1423524051, timezone.utc). It has saved the extra library many times when I only need the UTC timezone from pytz.
– phouse512
Jan 10 '18 at 17:28
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How to check if a file is a valid image file?
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A lot of times the first couple chars will be a magic number for various file formats. You could check for this in addition to your exception checking above.
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Detecting a mobile browser
...() just to put the more common cases first and let early bailout save some extra processing?
– Rob_vH
Mar 12 '15 at 14:33
2
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