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Beyond Stack Sampling: C++ Profilers
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+100
First:
Time sampling profilers are more robust than CPU sampling profilers. I'm not extremely familiar with Windows development too...
Getting Django admin url for an object
...d. Thanks!
– Arnaud
Oct 1 '09 at 10:12
8
best url for this problem: docs.djangoproject.com/en/dev...
How does grep run so fast?
...068s 0:00.26
$ time grep -c ' /cc/merchant.json tg=f_c' 20140910.log
28
0.100u 0.056s 0:00.17
The longer form is 35% faster!
How come? Boyer-Moore consructs a skip-forward table from the pattern-string, and whenever there's a mismatch, it picks the longest skip possible (from last char to first)...
Why should I use an IDE? [closed]
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100
Code completion. It helps a lot with exploring code.
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Why does the C preprocessor interpret the word “linux” as the constant “1”?
...antage of the predefined unix macro:
main() { printf(&unix["\021%six\012\0"],(unix)["have"]+"fun"-0x60);}
It prints "unix", but for reasons that have absolutely nothing to do with the spelling of the macro name.
share...
Python unit test with base and sub class
...module-level.
– JoshB
Aug 16 '16 at 12:21
As a very similar alternative, you could define the ABC inside a no-args fun...
Join vs. sub-query
...reference to the upper query, especially when it comes to row-counts above 100,000. The thing seems to be memory usage and paging to the swap-file. A join would produce a very big amount of data, that may not fit into memory and must be paged into the swap-file. Whenever this is the case the query-t...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
... BobBob
87.3k2828 gold badges113113 silver badges123123 bronze badges
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error LNK2019: 无法解析的外部符号_socket，该符号在函数 中被引用 - C/C+...
...用
1>NetClient.obj : error LNK2019: 无法解析的外部符号 _socket@12，该符号在函数 _main 中被引用
1>NetClient.obj : error LNK2019: 无法解析的外部符号 _WSACleanup@0，该符号在函数 _main 中被引用
1>NetClient.obj : error LNK2019: 无法解析的外部符号 _WSAS...
Why should I use version control? [closed]
...t branches of your code? How do you find the changes you made in your last 100 versions? Maybe if you code alone, or never worry about why you changed code, then maybe just having a backup is enough, but I bet once you used a decent VCS you will understand why so many people use them.
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