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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
... to upgrade gcc and g++ to version 4.4 at least.
Make sure your CC/CXX is set (exported) to right binaries before compiling.
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How to empty a redis database?
...ws days and I'd like to know if there is a way to empty the db (remove the sets, the existing key....) easily.
During my tests, I created several sets with a lot of members, even created sets that I do not remember the name (how can I list those guys though ?).
Any idea about how to get rid of a...
Equivalent of “throw” in R
How does one "throw" an error in R? I have a function that takes a data frame and some column names and does stuff with them. If the columns don't exist, I want the function to stop and to stop all functions depending on it.
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Convert text into number in MySQL query
Is it possible to convert text into number within MySQL query? I have a column with an identifier that consists a name and a number in the format of "name-number". The column has VARCHAR type. I want to sort the rows according the number (rows with the same name) but the column is sorted according d...
libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
libevent对比libev的基准测试libev_libevent_bench本文档简要描述了针对 libevent 和 libev 运行 libevent 基准程序的结果。Libevent 概述Libevent（于 2000-11-14 首次发布）是一个高性能事件循环，支持简单的 API、两 Google翻译自：http://libev.schmorp....
App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
...mponents 拓展
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DynamicComponents 拓展
.aix 拓展下载（最新版 v2.3.0）：
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How to log cron jobs?
...re are the log files located? Or can I send the output to my email? I have set the email address to send the log when the cron job runs but I haven't received anything yet.
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File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
... 搜索 File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希
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Can I have multiple :before pseudo-elements for the same element?
... :before pseudo-element, but normal CSS imply that only one of the content settings can take effect (by normal cascade rules). The point is that content does not accumulate.
– Jukka K. Korpela
Aug 17 '12 at 9:47
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Diff output from two programs without temporary files
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