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How to subtract 2 hours from user's local time?
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BrunoLMBrunoLM
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Cannot install node modules that require compilation on Windows 7 x64/VS2012
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This worked amazingly with my Windows 7 x64 install! Thanks Microsoft (for being dicks)!
– Blairg23
Oct 9 '14 at 16:19
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How to send HTTP request in java? [duplicate]
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This is way too much line noise to send an HTTP request imo. Contrast to Python's requests library: response = requests.get('http://www.yah...
Custom checkbox image android
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Shashanth
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answered Oct 19 '10 at 6:23
JeanJean
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what is the basic difference between stack and queue?
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A Visual Model
Pancake Stack (LIFO)
The only way to add one and/or remove one is from the top.
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Can I install Python windows packages into virtualenvs?
... I tried to do this, but got an error wheel convert numpy-MKL-1.8.1.win-amd64-py2.7.exe then pip install numpy-1.8.1-cp27-none-win_amd64.whl i get the following error Downloading/unpacking numpy-1.8.1-cp27-none-win-amd64.whl Could not find any downloads that satisfy the requirement numpy-1.8.1-cp...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...glibc malloc版本。
ptmalloc原理
系统调用接口
上图是 x86_64 下 Linux 进程的默认地址空间, 对 heap 的操作, 操作系统提供了brk()系统调用，设置了Heap的上边界； 对 mmap 映射区域的操作,操作系 统 供了 mmap()和 munmap()函数。
因为系统...
Insert an element at a specific index in a list and return the updated list
...(range(1000))" "b = a.copy(); b.insert(500, 3)"
100000 loops, best of 5: 2.84 µsec per loop
$ python -m timeit -s "a = list(range(1000))" "b = a.copy(); b[500:500] = (3,)"
100000 loops, best of 5: 2.76 µsec per loop
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How to escape single quotes in MySQL
...QL 5.6 or later because of the use of a specific string function: FROM_BASE64.
Let's say you have this message you'd like to insert:
"Ah," Nearly Headless Nick waved an elegant hand, "a matter of no importance. . . . It's not as though I really wanted to join. . . . Thought I'd apply, but apparentl...
通信连接组件 · App Inventor 2 中文网
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SimpleBase64 拓展
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MqttClient 拓展
ClientSocket 拓展
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已...