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Piping command output to tee but also save exit code of command [duplicate]
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Note, pipefail is also supported by dash on ubuntu
– lightswitch05
Jun 7 '17 at 16:41
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Generating a SHA-256 hash from the Linux command line
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Or do you mean Ubuntu 10.10 (Maverick Meerkat)? (no 's', Maverick). It was released in 2010 whereas Mac OS X v10.9 was released one month before this answer.
– Peter Mortensen
Jun 1 at 14:32
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Print second last column/field in awk
...t work for me. I get "title:5: command not found: NF-1" in awk 3.1.8 under Ubuntu.
– Gurgeh
May 2 '12 at 11:20
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keytool error Keystore was tampered with, or password was incorrect
... my mac . (paste the below line in terminal)
keytool -list -v -keystore ~/.android/debug.keystore
when it prompt for
Enter keystore password:
just press enter button (Dont type anything).It should work .
Please make sure its for default debug.keystore file , not for your project based keystore ...
How to check if a json key exists?
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JSONObject class has a method named "has":
http://developer.android.com/reference/org/json/JSONObject.html#has(java.lang.String)
Returns true if this object has a mapping for name. The mapping may be NULL.
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LoadRunner中参数化技术详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...le/Table的参数的更新方式：
Update Value on
（更新方法）
Select next row
（数据分配方法）
Sequential顺序
Random随机
Unique唯一
Each Iteration（每次迭代）
对于每次迭代，Vuser会从数...
How to create a self-signed certificate with OpenSSL
...elf-signed server certificate. In fact, you can't with some browsers, like Android's browser. So the complete solution is to become your own authority.
In the absence of becoming your own authority, you have to get the DNS names right to give the certificate the greatest chance of success. But I wo...
List files recursively in Linux CLI with path relative to the current directory
.../CentOS and Fedora linux:
# yum install tree -y
If you are using Debian/Ubuntu, Mint Linux type following command in your terminal:
$ sudo apt-get install tree -y
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AttributeError: 'module' object has no attribute
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on ubuntu 18.04 ( virtualenv, python.3.6.x), the following reload snippet solved the problem for me:
main.py
import my_module # my_module.py
from importlib import reload # reload
reload(my_module)
print(my_module)
print(my_...
What is the difference between the kernel space and the user space?
...o syscall v8\n"
len = . - msg
GitHub upstream.
Test it out with QEMU on Ubuntu 16.04:
sudo apt-get install qemu-user gcc-arm-linux-gnueabihf
arm-linux-gnueabihf-as -o hello.o hello.S
arm-linux-gnueabihf-ld -o hello hello.o
qemu-arm hello
Here is a concrete baremetal example that registers an S...