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C++ performance challenge: integer to std::string conversion
...trange metric, especially seeing how you don't remove trailing whitespaces from the string in your implementations. My updated code runs faster than your implementation with x64 VC++ 2005 on Core i7 920 (16.2M ops/s vs. 14.8M ops/s), _ltoa does 8.5M ops/s and sprintf() does 3.85M ops/s.
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What does the Java assert keyword do, and when should it be used?
...st throwing a new IllegalArgumentException with the message? I mean, aside from having o add throws to the method declaration and the code to manage that exception somewhere else. Why assert insetad of throwing new Exception? Or why not an if instead of assert? Can't really get this :(
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Are PHP short tags acceptable to use?
...to know that ASP tags <% , %> , <%= , and script tag are removed from PHP 7. So if you would like to support long-term portable code and would like switching to the most modern tools consider changing that parts of code.
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
...//I'm named!
}
}
In the above scenario, you can call globalFunction() from anywhere, but you cannot call localFunction1 or localFunction2.
What you're doing when you write (function() { ... })(), is you're making the code inside the first set of parentheses a function literal (meaning the whol...
Effects of changing Django's SECRET_KEY
... I think this is very minor but might be confusing for the user.
messages (from django.contrib.messages) won't validate server-side in the same timing conditions as for comments form.
UPDATE: now working on django 1.9.5, a quick look at the source gives me pretty much the same answers. Might do a ...
TypeScript function overloading
...two functions taking same number of arguments. So, TypeScript restricts us from creating such functions.
TypeScript supports overloading based on number of parameters, but the steps to be followed are a bit different if we compare to OO languages. In answer to another SO question, someone explained...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
...pe of attack and they have numerous protections that will keep the penises from penetrating the reCAPTCHA barrier.
Optimizing reCAPTCHA
As appealing as the notion of sprinkling the word ‘penis’ into texts, the Anonymous team knew that the clock was ticking, and if they were going to re...
Node.js or Erlang
...
@p_l From what I understand, the node approach is slightly different. While node is very good at handling async IO calls (ie web requests) it runs in a single-threaded environment. So it's great at dispatching but not so good at C...
How to show git log history for a sub directory of a git repo?
...
From directory foo/, use
git log -- A
You need the '--' to separate <path>.. from the <since>..<until> refspecs.
# Show changes for src/nvfs
$ git log --oneline -- src/nvfs
d6f6b3b Changes for Mac OS X...
Pandas read_csv low_memory and dtype options
...oken data that breaks when dtypes are defined
import pandas as pd
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
csvdata = """user_id,username
1,Alice
3,Bob
foobar,Caesar"""
sio = StringIO(csvdata)
pd.read_csv(sio, dtype={"user_id": int, "username": "string"...