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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...ibo_qq0 就能li到表结构信息了。
2、找回数据。记得上面把 innodb_force_recovery改掉了，需要注释掉，不然恢复模式不好操作。 这里有个关键的问题，就是innodb里的任何数据操作都是一个日志的记录点。也就是如果我们需要数据恢...
Matrix Transpose in Python
...t;> theArray = [['a','b','c'],['d','e','f'],['g','h','i']]
>>> zip(*theArray)
[('a', 'd', 'g'), ('b', 'e', 'h'), ('c', 'f', 'i')]
Python 3:
>>> [*zip(*theArray)]
[('a', 'd', 'g'), ('b', 'e', 'h'), ('c', 'f', 'i')]
...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...的都是虚拟内存地址，然后操作系统会通过Page Table机制把它翻译成物理内存地址，详细说明可以参考Understanding Memory和Understanding Virtual Memory，至于程序是如何使用虚拟内存的，可以参考Playing with Virtual Memory，这里就不多费口舌...
你以为发传单真的这么简单吗?（提升成功率干货） - 更多技术 - 清泛网 - 专...
...加价值，要么好看、要么有用、要么有趣，给人家一个不把你扔垃圾桶的理由嘛。
3种形式：红包、日历、美元
2、发传单的人
把价值、品牌、优惠等信息包装成看得见、摸得着的传单后，下一步就是要通过一些载体送到目...
Fastest way to download a GitHub project
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When you are on a project page, you can press the 'Download ZIP' button which is located under the "Clone or Download" drop down:
This allows you to download the most recent version of the code as a zip archive.
If you aren't seeing that button, it is likely because you aren't on...
How to run functions in parallel?
...both to finish at critical synchronization points using Process.join like @aix's answer mentions.
This is better than time.sleep(10) because you can't guarantee exact timings. With explicitly waiting, you're saying that the functions must be done executing that step before moving to the next, inst...
How to sort an array of hashes in ruby
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Simples:
array_of_hashes.sort_by { |hsh| hsh[:zip] }
Note:
When using sort_by you need to assign the result to a new variable: array_of_hashes = array_of_hashes.sort_by{} otherwise you can use the "bang" method to modify in place: array_of_hashes.sort_by!{}
...
“互联网卖菜”没那么简单 创业者不要盲目跟风 - 资讯 - 清泛网 - 专注C/C+...
...菜”没那么简单 创业者不要盲目跟风如火如荼的O2O浪潮把上门捧红了，虽然美容、洗车被炒得最凶，但无疑市场的大头还是在本地生活领域，包括外卖乃至生鲜。如火如荼的O2O浪潮把上门捧红了，虽然美容、洗车被炒得最凶，...
Pairs from single list
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My favorite way to do it:
from itertools import izip
def pairwise(t):
it = iter(t)
return izip(it,it)
# for "pairs" of any length
def chunkwise(t, size=2):
it = iter(t)
return izip(*[it]*size)
When you want to pair all elements you obviously might need a...
Reverse engineering from an APK file to a project
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@sri just rename the apk file to zip and extract it, you will have the resource files in res folder
– Hoang Huynh
Nov 5 '13 at 3:58
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