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How do DATETIME values work in SQLite?
...te documentation claims to use C's localtime_r() (sqlite.org/lang_datefunc.html#caveats_and_bugs) in the reference implementation, and localtime() can potentially be vulnerable to 2038 if the host platform has a 32-bit time_t. That said, since SQLite claims to guard against this possibility by mappi...
What is a Manifest in Scala and when do you need it?
...
http://debasishg.blogspot.com/2010/06/scala-implicits-type-classes-here-i.html
Context bounds can also just make the method signatures more readable. For example, the above function could be re-written using context bounds like so:
def foo[T: Manifest](x: List[T]) = {
if (manifest[T] <:...
What makes Lisp macros so special?
...plained better than by this fellow: http://www.defmacro.org/ramblings/lisp.html
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Visual SVN 安装及客户端使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...单，一路Next即可。下载地址：https://tortoisesvn.net/downloads.html
在上面的讲解中已经讲了怎么使用VisualSVN Server了，今天我要讲的是，TortoiseSVN的简单使用方法。
一、签入源代码到SVN服务器
假如我们使用Visual Studio在文件夹StartKit中...
Python Logging (function name, file name, line number) using a single file
...oo>. There are more examples/detail at docs.python.org/library/stdtypes.html#string-formatting
– Matthew Schinckel
Jun 12 '12 at 2:02
3
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What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
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From http://www.javaroots.com/2013/02/classnotfoundexception-vs.html:
ClassNotFoundException : occurs when class loader could not find the required class in class path. So, basically you should check your class path and add the class in the classpath.
NoClassDefFoundError : this is more...
Haskell testing workflow
...haskell.org/cabal/release/cabal-latest/doc/users-guide/developing-packages.html#test-suites
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Google Authenticator implementation in Python
...e into an HOTP value as defined in Section 5.3.
http://tools.ietf.org/html/rfc4226#section-5.3
"""
offset = int(hmac_sha1[-1], 16)
binary = int(hmac_sha1[(offset * 2):((offset * 2) + 8)], 16) & 0x7fffffff
return str(binary)
def _long_to_byte_array(long_num):
"""
he...
Java Generics (Wildcards)
...reference on Java Generics: angelikalanger.com/GenericsFAQ/JavaGenericsFAQ.html
– Zach Scrivena
Nov 1 '08 at 3:27
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How to save traceback / sys.exc_info() values in a variable?
..., not the "String passed as parameter". See: docs.python.org/3/library/sys.html#sys.exc_info
– Jinghao Shi
Oct 6 '18 at 19:28
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