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How do I catch a PHP fatal (`E_ERROR`) error?
...an use set_error_handler() to catch most PHP errors, but it doesn't work for fatal ( E_ERROR ) errors, such as calling a function that doesn't exist. Is there another way to catch these errors?
...
Differences between std::make_unique and std::unique_ptr with new
...motivation behind make_unique is primarily two-fold:
make_unique is safe for creating temporaries, whereas with explicit use of new you have to remember the rule about not using unnamed temporaries.
foo(make_unique<T>(), make_unique<U>()); // exception safe
foo(unique_ptr<T>(ne...
How to play with Control.Monad.Writer in haskell?
... typeclass in ghci
Instead, you create writers using the writer function. For example, in a ghci session I can do
ghci> import Control.Monad.Writer
ghci> let logNumber x = writer (x, ["Got number: " ++ show x])
Now logNumber is a function that creates writers. I can ask for its type:
ghci...
Export query result to .csv file in SQL Server 2008
...; Results To Text
On the far right, there is a drop
down box called Output Format
Choose Comma Delimited and click OK
Here's a full screen version of that image, below
This will show your query results as comma-delimited text.
To save the results of a query to a file: Ctrl + Shift + F
...
Android: how to check if a View inside of ScrollView is visible?
...it is always returning false. Please let me know
– KK_07k11A0585
Jun 15 '15 at 14:57
2
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can we use xpath with BeautifulSoup?
...your document into an lxml tree, you can use the .xpath() method to search for elements.
try:
# Python 2
from urllib2 import urlopen
except ImportError:
from urllib.request import urlopen
from lxml import etree
url = "http://www.example.com/servlet/av/ResultTemplate=AVResult.html"
res...
Creating .pem file for APNS?
How do I create a .pem file to be stored in the hosting server for APN payload data?
11 Answers
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Is there a way to create multiline comments in Python?
...est.py just to see. When I do import test, a test.pyc file is generated. Unfortunately, the pyc file is huge and contains the entire string as plain text. Am I misunderstanding something, or is this tweet incorrect?
– unutbu
Oct 8 '11 at 13:18
...
C++11 range based loop: get item by value or reference to const
...want to avoid making copies, then auto const & is the correct choice:
for (auto const &x : vec)
Whoever suggests you to use auto & is wrong. Ignore them.
Here is recap:
Choose auto x when you want to work with copies.
Choose auto &x when you want to work with original items and...
data.table vs dplyr: can one do something well the other can't or does poorly?
...nals are in C++ using Rcpp.
The data.table syntax is consistent in its form - DT[i, j, by]. To keep i, j and by together is by design. By keeping related operations together, it allows to easily optimise operations for speed and more importantly memory usage, and also provide some powerful featu...