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Best way to structure a tkinter application? [closed]
...r class that calls the GUI is a good idea, in my experience. It offers you more flexibility if both the Tk and Frame objects are attributes of a class which doesn't inherit from anything. This way you can access the Tk and Frame objects more easily (and less ambiguously), and destroying one won't de...
Spark java.lang.OutOfMemoryError: Java heap space
...sible by checking the UI (it will say how much mem you're using)
Try using more partitions, you should have 2 - 4 per CPU. IME increasing the number of partitions is often the easiest way to make a program more stable (and often faster). For huge amounts of data you may need way more than 4 per CPU...
Declaring variables inside loops, good practice or bad practice?
...lsewhere.
Last but not least, some dedicated optimization can be performed more efficiently by the compiler (most importantly register allocation), since it knows that the variable cannot be used outside of the loop. For example, no need to store the result for later re-use.
In short, you are righ...
How do I download a binary file over HTTP?
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More platform-specific solutions: GNU/Linux platforms provide wget. OS X provides curl (curl http://oh.no/its/pbjellytime.flv --output secretlylove.flv). Windows has a Powershell equivalent (new-object System.Net.WebClient).D...
How to check if a variable is null or empty string or all whitespace in JavaScript?
...
A non-jQuery solution that more closely mimics IsNullOrWhiteSpace, but to detect null, empty or all-spaces only:
function isEmptyOrSpaces(str){
return str === null || str.match(/^ *$/) !== null;
}
...then:
var addr = ' ';
if(isEmptyOrSpaces(a...
Is recursion ever faster than looping?
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Also, recursion is, in general, the more natural approach in functional languages, and iteration is normally more intuitive in imperative languages. The performance difference is unlikely to be noticeable, so just use whatever feels more natural for that partic...
Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...r as follows: "It's just like an 'Out of Java Heap space' error. Give it more memory with -Xmx." ?
– Tim Cooper
Jun 19 '10 at 13:28
61
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How to print a string in fixed width?
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This is far more intuitive and concise than the new str.format. I don't understand why there is this push in python towards convolution
– scottmrogowski
Jun 6 '14 at 0:39
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
...full list: http://msdn.microsoft.com/en-us/library/6sh2ey19.aspx).
From a more specific standpoint, lazy loading comes in to play with choosing the type. By default, navigation properties in Entity Framework come with change tracking and are proxies. In order for the dynamic proxy to be created as ...
How to grep for two words existing on the same line? [duplicate]
...s are pretty much the last place you want to go for clarification. They're more confusing than randomly guessing.
– corsiKa
Jun 25 '11 at 21:45
5
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