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Semi-transparent color layer over background-image?
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Johannes KlaußJohannes Klauß
8,4881111 gold badges5555 silver badges105105 bronze badges
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Circular list iterator in Python
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163
Use itertools.cycle, that's its exact purpose:
from itertools import cycle
lst = ['a', 'b', 'c...
Can dplyr package be used for conditional mutating?
... 1 & b == 4), 2,
ifelse(a == 0 | a == 1 | a == 4 | a == 3 | c == 4, 3, NA)))
Added - if_else: Note that in dplyr 0.5 there is an if_else function defined so an alternative would be to replace ifelse with if_else; however, note that since if_else is stricter than ifelse (both leg...
How to compare dates in Java? [duplicate]
... Java prior to Java SE 8. Users are now asked to migrate to java.time (JSR-310).
Back-ports are available for Java 6 and 7 as well as Android.
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How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
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maemae
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How to calculate cumulative normal distribution?
...df(1.96)
0.9750021048517795
>>> norm.cdf(-1.96)
0.024997895148220435
In other words, approximately 95% of the standard normal interval lies within two standard deviations, centered on a standard mean of zero.
If you need the inverse CDF:
>>> norm.ppf(norm.cdf(1.96))
array(1.959...
Disable individual Python unit tests temporarily
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233
Individual test methods or classes can both be disabled using the unittest.skip decorator.
@un...
Does it make any sense to use inline keyword with templates?
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3 Answers
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Converting a UNIX Timestamp to Formatted Date String
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324
Try gmdate like this:
<?php
$timestamp=1333699439;
echo gmdate("Y-m-d\TH:i:s\Z", $timestam...
Difference between objectForKey and valueForKey?
...n do the following:
NSNumber *anAccountNumber = [NSNumber numberWithInt:12345];
Account *newAccount = [[Account alloc] init];
[newAccount setAccountNumber:anAccountNUmber];
NSNumber *anotherAccountNumber = [newAccount accountNumber];
Using KVC, I can access the property dynamically:
NSNumber *...