大约有 828 项符合查询结果(耗时:0.0201秒) [XML]

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How to parse JSON in Python?

...e example that may help you: json_string = """ { "pk": 1, "fa": "cc.ee", "fb": { "fc": "", "fd_id": "12345" } }""" import json data = json.loads(json_string) if data["fa"] == "cc.ee": data["fb"]["new_key"] = "cc.ee was present!" print json.dumps(data) The ...
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configure: error: C compiler cannot create executables

... You have an old set of developer tools. gcc is reporting its version as 4.0.1. This may be left over from migrating from an older version of the OS. If you've installed Xcode 4.3.x, you need to launch it, go into its preferences, select the Downloads tab, and click ...
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Linux c++ error: undefined reference to 'dlopen'

... @Masci is correct, but in case you're using C (and the gcc compiler) take in account that this doesn't work: gcc -ldl dlopentest.c But this does: gcc dlopentest.c -ldl Took me a bit to figure out... ...
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Undoing a 'git push'

...n last_known_good_commit:branch_name or in your case git push -f origin cc4b63bebb6:alpha-0.3.0 You may have receive.denyNonFastForwards set on the remote repository. If this is the case, then you will get an error which includes the phrase [remote rejected]. In this scenario, you will have to...
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XXX.cc:100: error: ‘::strerror’ has not been declared - C/C++ - 清泛网 - 专注C/C++及内核技术

XXX.cc:100: error: ‘::strerror’ has not been declared#include <string.h>解决。#include <string.h> 解决。strerror
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ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared - C/...

ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared#include <pthread.h>#include <signal.h>除了pthread.h外,还要引入signal.h头文件才行,解决。#include <pthread.h> #include <signal.h> 除了pthread.h外,还要引入signal.h头文件才行,解决。pthread_kill
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9 句话看懂 Photoshop CC 2017 新功能 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术

9 句话看懂 Photoshop CC 2017 新功能一觉醒来看到朋友圈有 po 不少 Adobe Max 现场的图,羡慕之余只能赶紧更新一下新版、看看官方的更新通告,似乎没啥值得大书特书的,所... 一觉醒来看到朋友圈有 po 不少 Adobe Max 现场的图,羡慕...
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Combine two or more columns in a dataframe into a new column with a new name

...f$s) df # n s b x # 1 2 aa TRUE 2 aa # 2 3 bb FALSE 3 bb # 3 5 cc TRUE 5 cc share | improve this answer | follow | ...
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Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...在目录。运行“ objdump -x cm2 ”,显示如下: 代码: [ncc2008@localhost]$ objdump -x cm2 cm2: file format elf32-i386 cm2 architecture: i386, flags 0x00000102: EXEC_P, D_PAGED start address 0x08048080 程序头: LOAD off 0x00000000 vaddr 0x08048000 paddr 0x...
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Resolve build errors due to circular dependency amongst classes

... A.h class A { B _b; }; // file: B.h class B { A _a; }; // file main.cc #include "A.h" #include "B.h" int main(...) { A a; } When you are compiling the .cc file (remember that the .cc and not the .h is the unit of compilation), you need to allocate space for object A. So, well, how much sp...