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Python: Why is functools.partial necessary?
..... you end up "faking assignments within an expression" by stretching list comprehension well beyond its design limits...:
>>> f = [f for f in (lambda f: int(s, base=2),)
if setattr(f, 'keywords', {'base': 2}) is None][0]
Now combine the named-arguments overridability, plus th...
Why isn't textarea an input[type=“textarea”]?
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69
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What is the best way to detect a mobile device?
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Editor's note: user agent detection is not a recommended technique for modern web apps. See the comments below this answer for confirmation of this fact. It is suggested to use one of the other answers using feature detection and/or media queries.
Instead of using jQue...
How to check if a value exists in a dictionary (python)
...4': 'four'}
>>> 'one' in d.values()
True
Out of curiosity, some comparative timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754, 0.29107213020324707, 0.27941107749938965]
>>> T(lambda : 'one' in d.values()).repeat()
[0.38303399085998535, 0.3725...
Proper usage of Optional.ifPresent()
...ument. You're passing it an expression whose type is void. So that doesn't compile.
A Consumer is intended to be implemented as a lambda expression:
Optional<User> user = ...
user.ifPresent(theUser -> doSomethingWithUser(theUser));
Or even simpler, using a method reference:
Optional&l...
Is there a simple way to remove multiple spaces in a string?
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575
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How to solve javax.net.ssl.SSLHandshakeException Error?
...s or $JAVA_HOME/lib/security for JDKs, there's a file named cacerts, which comes with Java and contains the public certificates of the well-known Certifying Authorities. To import the new cert, run keytool as a user who has permission to write to cacerts:
keytool -import -file <the cert file>...
Is functional GUI programming possible? [closed]
...eactive programming.
Some examples are:
reflex-platform, https://github.com/reflex-frp/reflex-platform
grapefruit, http://hackage.haskell.org/package/grapefruit-ui-gtk
reactive, http://hackage.haskell.org/package/reactive-glut
wxFruit, http://hackage.haskell.org/package/wxFruit
reactive-banana, h...
libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
... DanteZhu – http://www.vimer.cn
# Email: dantezhu@vip.qq.com
# FileName: test_download.cpp
# Version: 1.0
# LastChange: 2010-03-09 14:20:44
# Description:
# History:
============================================*/
#include <iostream>
#i...