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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...ncy-injection-to.html
http://googletesting.blogspot.com/2008/08/where-have-all-singletons-gone.html
Alternatives
a service provider
http://java.sun.com/blueprints/corej2eepatterns/Patterns/ServiceLocator.html
dependency injection
http://en.wikipedia.org/wiki/Dependency_injection
and a php expl...
SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...是什么时候构建的，我在线程启动例程找到答案：ntdll32!_RtlUserThreadStart()里。0:000:x86> uf ntdll32!_Rt...线程的第 1 个 SEH 结构是什么时候构建的，我在线程启动例程找到答案：ntdll32!_RtlUserThreadStart() 里。
0:000:x86> uf ntdll32!_RtlU...
pythonic way to do something N times without an index variable?
...ghtly faster approach than looping on xrange(N) is:
import itertools
for _ in itertools.repeat(None, N):
do_something()
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Is it possible to clone html element objects in JavaScript / JQuery?
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Too bad you lose all attributes :/
– Pieter De Bie
Sep 23 '19 at 12:49
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What is a memory fence?
...ead/writes occur in the order you expect. For example a 'full fence' means all read/writes before the fence are comitted before those after the fence.
Note memory fences are a hardware concept. In higher level languages we are used to dealing with mutexes and semaphores - these may well be implemen...
Eclipse: Enable autocomplete / content assist
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If you would like to use autocomplete all the time without having to worry about hitting Ctrl + Spacebar or your own keyboard shortcut, you can make the following adjustment in the Eclipse preferences to trigger autocomplete simply by typing several different cha...
filename and line number of python script
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Whether you use currentframe().f_back depends on whether you are using a
function or not.
Calling inspect directly:
from inspect import currentframe, getframeinfo
cf = currentframe()
filename = getframeinfo(cf).filename
print "This is line 5, python say...
Unresolved reference issue in PyCharm
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Manually adding it as you have done is indeed one way of doing this, but there is a simpler method, and that is by simply telling pycharm that you want to add the src folder as a source root, and then adding the sources root to y...
How to create a trie in Python
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Unwind is essentially correct that there are many different ways to implement a trie; and for a large, scalable trie, nested dictionaries might become cumbersome -- or at least space inefficient. But since you're just getting started, I think...
Converting a Java Keystore into PEM Format
...- keystore in java format.
foo.p12 - keystore in PKCS#12 format.
foo.pem - all keys and certs from keystore, in PEM format.
(This last file can be split up into keys and certificates if you like.)
Command summary - to create JKS keystore:
keytool -keystore foo.jks -genkeypair -alias foo \
...