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What does [:] mean?
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It is an example of slice notation, and what it does depends on the type of population. If population is a list, this line will create a shallow copy of the list. For an object of type tuple or a str, it will do nothing (the line wil...
How to include a child object's child object in Entity Framework 5
...tity you can use an overload of the Include() method which takes a lambda expression instead of a string. You can then Select() over children with Linq expressions rather than string paths.
return DatabaseContext.Applications
.Include(a => a.Children.Select(c => c.ChildRelationshipType))...
How can I force users to access my page over HTTPS instead of HTTP?
...cation: https://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]);
exit();
}
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How To Set Text In An EditText
How can I set the text of an EditText?
10 Answers
10
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Java rounding up to an int using Math.ceil
... that it doesn't work for a = 0 and b < 1.
int n = (a - 1) / b + 1;
##Explanation behind the "less intuitive approach"
Since dividing two integer in Java (and most other programming languages) will always floor the result. So:
int a, b;
int result = a/b (is the same as floor(a/b) )
But we don't...
Guards vs. if-then-else vs. cases in Haskell
...condition, or one single decision you need to make. Nested if..then..else-expressions are very uncommon in Haskell, and guards should almost always be used instead.
let absOfN =
if n < 0 -- Single binary expression
then -n
else n
Every if..then..else expression can be replaced by a guar...
Save classifier to disk in scikit-learn
...t objects that can be pickled and dumped like any other. To continue your example:
import cPickle
# save the classifier
with open('my_dumped_classifier.pkl', 'wb') as fid:
cPickle.dump(gnb, fid)
# load it again
with open('my_dumped_classifier.pkl', 'rb') as fid:
gnb_loaded = cPickle.lo...
Python Pandas: Get index of rows which column matches certain value
Given a DataFrame with a column "BoolCol", we want to find the indexes of the DataFrame in which the values for "BoolCol" == True
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libpthread.so.0: error adding symbols: DSO missing from command line
...prototypes -Wmissing-field-initializers -Wno-override-init \
-g -O2 -export-dynamic -o utilities/ovs-dpctl utilities/ovs-dpctl.o \
lib/libopenvswitch.a \
/home/jyyoo/src/dpdk/build/lib/librte_eal.a /home/jyyoo/src/dpdk/build/lib/libethdev.a /home/jyyoo/src/dpdk/build/lib/librte_cmdlin...
Get ffmpeg information in friendly way
... about my video files with ffmpeg, it pukes a lot of useless information mixed with good things.
4 Answers
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