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What is the pythonic way to avoid default parameters that are empty lists?
... I like it especially because it's a neat little one-liner without colons, etc. involved and it nearly reads like a normal English sentence. :)
In your case you could write
def myFunc(working_list=None):
working_list = [] if working_list is None else working_list
working_list.append("a")
...
Get generic type of java.util.List
... myCollection.iterator();
if (it.hasNext()){
genericClass = it.next().getClass();
}
if (genericClass != null) { //do whatever we needed to know the type for
There's no such thing as a generic type in runtime, but the objects inside at runtime are guaranteed to be the same type as the declared ...
What is the difference between a database and a data warehouse?
...at folks have already said, data warehouses tend to be OLAP, with indexes, etc. tuned for reading, not writing, and the data is de-normalized / transformed into forms that are easier to read & analyze.
Some folks have said "databases" are the same as OLTP -- this isn't true. OLTP, again, is a ...
How to schedule a function to run every hour on Flask?
... believe that for the newest versions, the package structure, class names, etc., have changed, so I'm putting here a fresh solution which I made recently, integrated with a basic Flask application:
#!/usr/bin/python3
""" Demonstrating Flask, using APScheduler. """
from apscheduler.schedulers.backgr...
How do you get the file size in C#?
... different, if you move the file to another filesystem (FAT16, NTFS, EXT3, etc)
As other answerers have said, this will give you the size in bytes, not the size on disk.
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How to merge two files line by line in Bash
...s you override with the -d option, so you can use something like awk, sed, etc... to format each line. Example: paste file1.txt file2.txt | awk '{printf "%-61s | %s\n", $1,$2}' ... this mimics the diff --side-by-side output)
– Yzmir Ramirez
May 27 '16 at 17:50...
Raise warning in Python without interrupting program
...module. It can log messages having a level of debug, info, warning, error, etc. Log messages having a level of warning or higher are by default printed to stderr.
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How do I update a Linq to SQL dbml file?
...d EDMX (Entity Framework) mapping files, and more (like naming conventions etc.).
Marc
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decompiling DEX into Java sourcecode
... how about forming an apk ? placing classes in apk, zipalign, signing etc.
– Buddy
Aug 18 '15 at 14:25
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How can I disable the UITableView selection?
... Yes. If you want to disable selection but allow UIButtons, etc... to continue to support user interaction, use #2. If you want a completely read-only cell, use #4. Of course, why you would have anything but UIViews or UILabels in a non-interactive cell is beyond me. Maybe somebody wo...