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Better way to shuffle two numpy arrays in unison
...ent solution would be to store your data in one array instead of two right from the beginning, and create two views into this single array simulating the two arrays you have now. You can use the single array for shuffling and the views for all other purposes.
Example: Let's assume the arrays a and...
How to access app.config in a blueprint?
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Use flask.current_app in place of app in the blueprint view.
from flask import current_app
@api.route("/info")
def get_account_num():
num = current_app.config["INFO"]
The current_app proxy is only available in the context of a request.
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New features in java 7
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Java SE 7 Features and Enhancements from JDK 7 Release Notes
This is the Java 7 new features summary from the OpenJDK 7 features page:
vm JSR 292: Support for dynamically-typed languages (InvokeDynamic)
Strict class-file checking
lang JSR 334: S...
Invert “if” statement to reduce nesting
...iredAmount();
return normalPayAmount();
};
I've picked this code from the refactoring catalog. This specific refactoring is called: Replace Nested Conditional with Guard Clauses.
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UITableViewCell, show delete button on swipe
...h) {
if editingStyle == .delete {
// remove the item from the data model
animals.remove(at: indexPath.row)
// delete the table view row
tableView.deleteRows(at: [indexPath], with: .fade)
} else if editingStyle == .insert {
...
How can I check if my python object is a number? [duplicate]
In Java the numeric types all descend from Number so I would use
5 Answers
5
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Load data from txt with pandas
... than having a separate line to add column names, it's possible to do this from pd.read_csv.
df = pd.read_csv('output_list.txt', sep=" ", header=None, names=["a", "b", "c"])
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How can I scan barcodes on iOS?
...ation for the iPhone. It can decode QR Codes. The source code is available from the zxing project; specifically, you want to take a look at the iPhone client and the partial C++ port of the core library. The port is a little old, from circa the 0.9 release of the Java code, but should still work rea...
What are the differences between Perl, Python, AWK and sed? [closed]
....
The sed program is a stream editor and is designed to apply the actions from a script to each line (or, more generally, to specified ranges of lines) of the input file or files. Its language is based on ed, the Unix editor, and although it has conditionals and so on, it is hard to work with for c...
Who is calling the Java Thread interrupt() method if I'm not?
...r code is likely to be interrupted if it is run within a Java framework or from some worker thread. And when it is interrupted, your code should abandon what it is doing and cause itself to end by the most appropriate means. Depending on how your code was called, this might be done by returning or...