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node.js remove file
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There's a reason it's deprecated: often times you creates a race condition if you check that a file exists before deleting it. Instead, you should only call fs.unlink, and if the file doesn't exist, you'll have an ENOENT error in the callback. No need to check befo...
Programmatically fire button click event?
...matically hit the button and highlight it for a seemingly normal amount of time. Richie's suggestion didn't work as the button was only highlighted (if at all) for an imperceptible amount of time.
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Age from birthdate in python
...uch simpler considering that int(True) is 1 and int(False) is 0:
from datetime import date
def calculate_age(born):
today = date.today()
return today.year - born.year - ((today.month, today.day) < (born.month, born.day))
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Finding the mode of a list
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This has quadratic runtime
– Padraic Cunningham
Nov 7 '15 at 13:56
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Union of dict objects in Python [duplicate]
How do you calculate the union of two dict objects in Python, where a (key, value) pair is present in the result iff key is in either dict (unless there are duplicates)?
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String contains - ignore case [duplicate]
Is it possible to determine if a String str1="ABCDEFGHIJKLMNOP" contains a string pattern strptrn="gHi" ? I wanted to know if that's possible when the characters are case insensitive. If so, how?
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How do I get class name in PHP?
...@AlexanderJank It seems as though static::class is resolved during compile time while get_class_name() is interpreted during runtime. I found this out by trying to access the ::class property(?) of a dynamically generated class and getting the following error: Dynamic class names are not allowed in ...
What is the difference between `new Object()` and object literal notation?
...sing Node.js, I ran the following:
console.log('Testing Array:');
console.time('using[]');
for(var i=0; i<200000000; i++){var arr = []};
console.timeEnd('using[]');
console.time('using new');
for(var i=0; i<200000000; i++){var arr = new Array};
console.timeEnd('using new');
console.log('Tes...
Is there a conditional ternary operator in VB.NET?
In Perl (and other languages) a conditional ternary operator can be expressed like this:
3 Answers
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Where can I find “make” program for Mac OS X Lion?
Just upgraded my computer to Mac OS X Lion and went to terminal and typed "make" but it says:
-bash: make: command not found
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