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Python syntax for “if a or b or c but not all of them”
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@HennyH I believe the question asks for "at least one condition true but not all", not "only one condition true".
– Volatility
May 13 '13 at 13:32
63
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Hand Coded GUI Versus Qt Designer GUI [closed]
...y a different tool for that new problem. I totally agree with Steve S that one advantage of Designer is that someone else who's not a programmer can do the layout.
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Storing JSON in database vs. having a new column for each key
...JSON useful in a relational database:
When storing email addresses and phone numbers for a contact, where storing them as values in a JSON array is much easier to manage than multiple separate tables
Saving arbitrary key/value user preferences (where the value can be boolean, textual, or numeric, ...
Types in MySQL: BigInt(20) vs Int(20)
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As far as I know, there is only one small difference is when you are trying to insert value which is out of range.
In examples I'll use 401421228216, which is 101110101110110100100011101100010111000 (length 39 characters)
If you have INT(20) for syst...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
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No, there are other SQL databases besides the ones listed.
– joeforker
Apr 30 '15 at 18:42
3
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Why does += behave unexpectedly on lists?
...= operator in python seems to be operating unexpectedly on lists. Can anyone tell me what is going on here?
8 Answers
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How does java do modulus calculations with negative numbers?
...definitions of modulus of negative numbers are in use - some languages use one definition and some the other.
If you want to get a negative number for negative inputs then you can use this:
int r = x % n;
if (r > 0 && x < 0)
{
r -= n;
}
Likewise if you were using a language tha...
How to add global ASP.Net Web Api Filters?
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Can someone explain what's going on here? Why are there two sets of Global filters? Doesn't that make 'Global' an oxymoron?
– Luke Puplett
Jun 27 '12 at 9:55
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Phonegap Cordova installation Windows
The documentation for phonegap/cordova is absolutely horrible. All I'm trying to do is install PhoneGap 3.0 on my Windows environment but having no success.
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How to use a WSDL
...SayHello("World!");
If you need to specify the remote URL (not using the one created by default), you can easily do this in the constructor of the proxy client:
YourServiceClient client = new YourServiceClient("configName", "remoteURL");
where configName is the name of the endpoint to use (you ...