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How can I profile C++ code running on Linux?
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0.1 0.5 0.25...
MongoDB: Combine data from multiple collections into one..how?
...another article that describes a similar use of the technique: tebros.com/2011/07/…
– rmarscher
Jan 6 '12 at 15:53
1
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Exporting functions from a DLL with dllexport
...gin.dll
00000000 characteristics
49866068 time date stamp Sun Feb 01 19:54:32 2009
0.00 version
1 ordinal base
2 number of functions
2 number of names
ordinal hint RVA name
1 0 0001110E getEngineVersion = @ILT+265(_getEngineVe...
Pass a data.frame column name to a function
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Ian FellowsIan Fellows
16k1010 gold badges4444 silver badges6363 bronze badges
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Simple explanation of MapReduce?
...h?
– andyczerwonka
Apr 10 '10 at 13:01
@arcticpenguin I'm being a little too generic there. Actually Average() is supp...
Logical operators for boolean indexing in Pandas
...u want element-wise logical-and. That is what the & binary operator performs:
(a['x']==1) & (a['y']==10)
returns a boolean array.
By the way, as alexpmil notes,
the parentheses are mandatory since & has a higher operator precedence than ==.
Without the parentheses, a['x']==1 &...
Named colors in matplotlib
... hspace=0, wspace=0)
plt.show()
Additional named colors
Updated 2017-10-25. I merged my previous updates into this section.
xkcd
If you would like to use additional named colors when plotting with matplotlib, you can use the xkcd crowdsourced color names, via the 'xkcd:' prefix:
plt.plo...
Multithreading: What is the point of more threads than cores?
... |
edited Jun 27 '10 at 4:01
answered Jun 27 '10 at 3:53
Ju...
What is the best way to auto-generate INSERT statements for a SQL Server table?
...inserts 'titles', @include_timestamp = 1
Example 6: To print the debug information:
EXEC sp_generate_inserts 'titles', @debug_mode = 1
Example 7: If you are not the owner of the table, use @owner parameter to specify the owner name
To use this option, you must have SELECT permis...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
... ZMQ: 基本原理 来源：开源中国 2016-01-18 16:10:01 人气： 我有话说( 0 人参与) 介绍与其他的基于常规理论基础的（集中）通信系统不同，几乎没有分布式通信系统的什么资料，ØMQ(ZeroMQ...