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Two divs side by side - Fluid display
I am trying to place two divs side by side and using the following CSS for it.
8 Answers
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RuntimeWarning: invalid value encountered in divide
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I think your code is trying to "divide by zero" or "divide by NaN". If you are aware of that and don't want it to bother you, then you can try:
import numpy as np
np.seterr(divide='ignore', invalid='ignore')
For more details see:
http://docs.scipy.org/doc/num...
In what cases could `git pull` be harmful?
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Summary
By default, git pull creates merge commits which add noise and complexity to the code history. In addition, pull makes it easy to not think about how your changes might be affected by incoming changes.
The git pull command ...
How to include “zero” / “0” results in COUNT aggregate?
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LEFT JOIN appointment ON person.person_id = appointment.person_id
GROUP BY person.person_id;
The reason why this is working, is that the outer (left) join will return NULL for those persons that do not have an appointment. The aggregate function count() will not count NULL values and thus you'l...
When should we use mutex and when should we use semaphore
...a mutex when you (thread) want to execute code that should not be executed by any other thread at the same time. Mutex 'down' happens in one thread and mutex 'up' must happen in the same thread later on.
e.g.: If you are deleting a node from a global linked list, you do not want another thread to mu...
Can every recursion be converted into iteration?
...roves it if memory serves. In lay terms, it states that what is computable by recursive functions is computable by an iterative model (such as the Turing machine) and vice versa. The thesis does not tell you precisely how to do the conversion, but it does say that it's definitely possible.
In many ...
Difference between thread's context class loader and normal classloader
... be created from a class in ClassLoaderC and then passed to a thread owned by ClassLoaderD. In this case the object needs to use Thread.currentThread().getContextClassLoader() directly if it wants to load resources that are not available on its own classloader.
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[ :Unexpected operator in shell programming [duplicate]
...on which name you use. You can have the script run with bash automatically by changing the first line to #!/bin/bash and making the file executable, and just running ./choose.sh.
– Tyler McHenry
Aug 5 '10 at 1:17
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Select multiple columns in data.table by their numeric indices
...ta.table)
dt <- data.table(a = 1, b = 2, c = 3)
# select single column by index
dt[, 2]
# b
# 1: 2
# select multiple columns by index
dt[, 2:3]
# b c
# 1: 2 3
# select single column by name
dt[, "a"]
# a
# 1: 1
# select multiple columns by name
dt[, c("a", "b")]
# a b
# 1: 1 2
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What's the best way to get the last element of an array without deleting it?
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option .1. $x = array_values(array_slice($array, -1))[0]; (as suggested by rolacja)
option .2. $x = array_slice($array, -1)[0]; (as suggested by Stoutie)
option .3. $x = array_pop((array_slice($array, -1))); (as suggested by rolacja)
option .4. $x = array_pop((array_slice($array, -1, 1))); (as su...