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Very Long If Statement in Python [duplicate]
I have a very long if statement in Python. What is the best way to break it up into several lines? By best I mean most readable/common.
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Adding devices to team provisioning profile
...lt. So add your device through the portal and hit refresh - your device is now auto-magically attached to your provisioning profile.
– thattyson
Aug 5 '15 at 20:28
3
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In Scala, what exactly does 'val a: A = _' (underscore) mean?
...s initialises the variable to a default value. From the Scala Language Specification:
0 if T is Int or one of its subrange types,
0L if T is Long,
0.0f if T is Float,
0.0d if T is Double,
false if T is Boolean,
() if T is Unit,
null for all other types T.
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Is the != check thread safe?
I know that compound operations such as i++ are not thread safe as they involve multiple operations.
8 Answers
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How to check if a file is a valid image file?
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excellent advice, now i just need to figure out what those numbers are. thanks :)
– Sujoy
May 20 '09 at 18:11
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Why does 'continue' behave like 'break' in a Foreach-Object?
If I do the following in a PowerShell script:
4 Answers
4
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Efficient way to determine number of digits in an integer
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Well, the most efficient way, presuming you know the size of the integer, would be a lookup. Should be faster than the much shorter logarithm based approach. If you don't care about counting the '-', remove the + 1.
// generic solution
template <class T>
int nu...
Why would $_FILES be empty when uploading files to PHP?
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upload_max_filesize = 100M
You might need to use .htaccess or .user.ini if you are on shared hosting and don't have access to php.ini.
Make sure
you’re editing the correct ini file –
use the phpinfo() function to verify your
settings are actually being applied.
Also make sure you don’t
mis...
Python: Find in list
... you describe: Checking whether something is inside a list or not. As you know, you can use the in operator for that:
3 in [1, 2, 3] # => True
Filtering a collection
That is, finding all elements in a sequence that meet a certain condition. You can use list comprehension or generator expressi...
Execution time of C program
... 60ms.
clock() is standard C; it works "everywhere". There are system-specific functions, such as getrusage() on Unix-like systems.
Java's System.currentTimeMillis() does not measure the same thing. It is a "wall clock": it can help you measure how much time it took for the program to execute, but...