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Evaluating a mathematical expression in a string

... eval is evil eval("__import__('os').remove('important file')") # arbitrary commands eval("9**9**9**9**9**9**9**9", {'__builtins__': None}) # CPU, memory Note: even if you use set __builtins__ to None it still might be possible to break out using introspection: eval('(1).__class__.__bases_...
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Search for one value in any column of any table inside a database

...several other features such as relationship diagrams and such… I was a bit slow on large (40GB TFS Database) databases though… Apart from this there is also SSMS Tools pack that offers a lot of other features that are quite useful even though these are not directly related to searching tex...
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How do I detect what .NET Framework versions and service packs are installed?

... , but it was specific to .NET 3.5. Specifically, I'm looking for the following: 13 Answers ...
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汇编语言(王爽著)附书签 - 文档下载 - 清泛网 - 专注C/C++及内核技术

... 第17章 使用BIOS进行键盘输入和磁盘读写 综合研究 附注WinXP,Win7,Win8,Win1034.7M
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Smart way to truncate long strings

...re element. If you want to truncate part of a string, without wrapping the bit you want to truncate in a span or other html element, this won't work e.g.: Your picture ('some very long picture filename truncated...') has been uploaded. – Chris Apr 8 '13 at 18:3...
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How do I profile memory usage in Python?

... Official guppy documentation is a bit minimial; for other resources see this example and the heapy essay. – tutuDajuju Jul 1 '15 at 18:30 1...
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What are the file limits in Git (number and size)?

...ver really looks at less than the whole repo. Even if you limit things a bit (ie check out just a portion, or have the history go back just a bit), git ends up still always caring about the whole thing, and carrying the knowledge around. So git scales really badly if you force it to look ...
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PHP/MySQL insert row then get 'id'

...int in PHP). If your AUTO_INCREMENT column has a column type of BIGINT (64 bits) the conversion may result in an incorrect value. Instead, use the internal MySQL SQL function LAST_INSERT_ID() in an SQL query. For more information about PHP's maximum integer values, please see the integer documentati...
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How do you get a timestamp in JavaScript?

...es: By providing |, you tell the interpreter to do a binary OR operation. Bit operations require absolute numbers which turns the decimal result from Date.now() / 1000 into an integer. During that conversion, decimals are removed, resulting in the same result as using Math.floor() but using less...
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Convert PDF to image with high resolution

... It appears that the following works: convert \ -verbose \ -density 150 \ -trim \ test.pdf \ -quality 100 \ -flatten \ -sharpen 0x1.0 \ 24-18.jpg It results in the left image. Compa...