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How to read json file into java with simple JSON library
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The whole file is an array and there are objects and other arrays (e.g. cars) in the whole array of the file.
As you say, the outermost layer of your JSON blob is an array. Therefore, your parser will return a JSONArray. You can then get JSONObject...
Check if list contains any of another list
... performing on larger collections would be to project parameters to source and then use Intersect which internally uses a HashSet<T> so instead of O(n^2) for the first approach (the equivalent of two nested loops) you can do the check in O(n) :
bool hasMatch = parameters.Select(x => x.sour...
How does this milw0rm heap spraying exploit work?
...ion of our shellcode in memory, we put a lot of nop instructions before it and jump to somewhere there. The memory array will hold the actual x86 code along with the jumping mechanism. We'll feed the crafted XML to the library which has a bug. When it's being parsed, the bug will cause the instructi...
Changing one character in a string
...code capable applications in C. But you have to care about it all the time and need to test it explicitly to avoid trouble. Everything is machine-oriented. I worked with PHP before learning Python, and that language is a total mess. Regarding your note on fast CPUs I'm totally with you. But a part o...
gdb fails with “Unable to find Mach task port for process-id” error
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In Snow Leopard and later Mac OS versions, it isn't enough to codesign the gdb executable.
You have to follow this guide to make it work: http://www.opensource.apple.com/source/lldb/lldb-69/docs/code-signing.txt
The guide explains how to d...
background function in Python
...mes displays images to the user. The images can, at times, be quite large, and they are reused often. Displaying them is not critical, but displaying the message associated with them is. I've got a function that downloads the image needed and saves it locally. Right now it's run inline with the code...
Linux C++ 单元测试与gcov代码覆盖率统计 - C/C++ - 清泛网 - 专注C/C++及内核技术
Linux C++ 单元测试与gcov代码覆盖率统计gtest-and-coverage本文主要介绍Linux下C++单元测试下的代码覆盖率统计的方法,测试框架采用gtest,当然也可以使用其他的,这里不做过多的说明,主要介绍代码的覆盖率统计方法。一、什么是gco...
What is reflection and why is it useful?
What is reflection, and why is it useful?
21 Answers
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libpthread.so.0: error adding symbols: DSO missing from command line
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You should mention the library on the command line after the object files being compiled:
gcc -Wstrict-prototypes -Wall -Wno-sign-compare -Wpointer-arith -Wdeclaration-after-statement -Wformat-security -Wswitch-enum -Wunused-parameter -Wstrict-aliasing -Wbad-functi...
From an array of objects, extract value of a property as array
... it uses a syntax that wasn't available at the time you asked the question and isn't even supported in some browsers. I'd also note that this answer is a direct copy of comments that were made on the originally accepted answer nearly a year before this answer was posted.
– Aln...
