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Mongod complains that there is no /data/db folder
...ectory in the wrong place
/data/db means that it's directly under the '/' root directory, whereas you created 'data/db' (without the leading /) probably just inside another directory, such as the '/root' homedirectory.
You need to create this directory as root
Either you need to use sudo , e.g. s...
How do I remove a big file wrongly committed in git [duplicate]
...s/folders from your git repository. To use
# it, cd to your repository's root and then run the script with a list of paths
# you want to delete, e.g., git-delete-history path1 path2
if [ $# -eq 0 ]; then
exit 0
fi
# make sure we're at the root of git repo
if [ ! -d .git ]; then
echo "Err...
Organizing a multiple-file Go project [closed]
... directory under src. The only 3 spec-related directories are the 3 in the root of your GOPATH: bin, pkg, src . Underneath src, you can simply place your project mypack, and underneath that is all of your .go files including the mypack_test.go
go build will then build into the root level pkg and b...
What are the risks of running 'sudo pip'?
... sudo. In other words, you run arbitrary Python code from the Internet as root. If someone puts up a malicious project on PyPI and you install it, you give an attacker root access to your machine. Prior to some recent fixes to pip and PyPI, an attacker could also run a man in the middle attack to i...
How to create a .jar file or export jar on IntelliJ (like eclipse java archive export) [duplicate]
...that can't get it work. It worked for me when I stored the .mf file in the root directory and not in the /src/ folder.
– Christophe De Troyer
Aug 24 '14 at 14:12
7
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Google Play on Android 4.0 emulator
... corresponding Android version, just pull them out of your device:
adb -d root
adb -d pull /system/app/GoogleLoginService.apk
adb -d pull /system/app/GoogleServicesFramework.apk
adb -d pull /system/app/Phonesky.apk
You must have root-level access (run adb root) to the device in order to pull thes...
浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术
...变为1 1000 0000 这样才能转化为
-128输出，不然1000 0000 如何输出？这当然是我的一种推断，具体怎么实现还得问CPU的设计者了。。。。
再看一个例子：
char a=-129;
printf("%d",a) ; 会输入多少？？ 结果为127 ，为...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...可以了。
在定义好依赖关系后，后续的那一行定义了如何生成目标文件的操作系统命令，一定要以一个Tab键作为开头。记住，make并不管命令是怎么工作的，他只管执行所定义的命令。make会比较targets文件和prerequisites文件的...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...可以了。
在定义好依赖关系后，后续的那一行定义了如何生成目标文件的操作系统命令，一定要以一个Tab键作为开头。记住，make并不管命令是怎么工作的，他只管执行所定义的命令。make会比较targets文件和prerequisites文件的...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...可以了。
在定义好依赖关系后，后续的那一行定义了如何生成目标文件的操作系统命令，一定要以一个Tab键作为开头。记住，make并不管命令是怎么工作的，他只管执行所定义的命令。make会比较targets文件和prerequisites文件的...