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Difference between Dictionary and Hashtable [duplicate]
...for small collections (fewer than ten elements) the overhead can impede performance.
There is Some special difference between two which must be considered:
HashTable: is non-generic collection ,the biggest overhead of this
collection is that it does boxing automatically for your values a...
Why use symbols as hash keys in Ruby?
...ven't done any benchmark yet, but I guess it would be close the symbols performance.
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How to get the list of all installed color schemes in Vim?
...so you can use it in the two previous commands, instead of using the "long form".
If you want to find and preview more themes, there are various websites like Vim colors
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How do I check/uncheck all checkboxes with a button using jQuery?
... Heads up: this answer checks literally every checkbox in your form. Skip unless you want that. For multiple checkalls this answer helped me: stackoverflow.com/a/27148382/3448554
– Kelsey Hannan
Mar 16 '15 at 5:11
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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...实现回调函数以完成用户特定任务
5. 调用curl_easy_perform（）函数完成传输任务
6. 调用curl_easy_cleanup（）释放内存
在整过过程中设置curl_easy_setopt()参数是最关键的，几乎所有的libcurl程序都要使用它。
1）CURLcode curl_globa...
What does Python's eval() do?
...amic code, but you should make yourself fully aware of the security and performance risks before using it.
– George Cummins
Feb 21 '12 at 19:25
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MySQLDump one INSERT statement for each data row
...eral default settings. See the discussion of mysqldump option groups for information about selectively enabling or disabling a subset of the options affected by --opt.
--skip-extended-insert
Turn off extended-insert
sh...
What does the exclamation mark do before the function?
...gly concatenated with a file that doesn't end with a ;. If you have the () form, it would consider it a function call of whatever was defined in the previous file. Tip of the hat to a co-worker of mine.
– Jure Triglav
Nov 13 '12 at 20:31
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entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat
...the way you figured it out even if answer didn't include some background information.
– Daniel Kmak
Jul 12 '14 at 13:43
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How does OpenID authentication work?
...heir blog, photostream, profile page, etc. With OpenID you can easily transform one of these existing URIs into an account which can be used at sites which support OpenID logins.
OpenID
Difference between OpenID and conventional authentification form?
The difference is that the identification will ...