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Send string to stdin
...n)
or you can read as
while read line
do
echo =$line=
done < some_file
or simply
echo something | read param
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XML attribute vs XML element
At work we are being asked to create XML files to pass data to another offline application that will then create a second XML file to pass back in order to update some of our data. During the process we have been discussing with the team of the other application about the structure of the XML file. ...
My docker container has no internet
...c/resolv.conf to the container on construction, I had to manually copy the file into the container.
– glaux
Aug 22 '18 at 11:00
...
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
... and lxml, which both installed successfully and work with a separate test file located here . In the Python script that causes this error, I have included this line:
from pageCrawler import comparePages
And in the pageCrawler file I have included the following two lines:
from bs4 import...
Best practice for Python assert
...;> m.x = 10
>>> m.x -= 20
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "my.py", line 7, in __set__
raise LessThanZeroException('x is less than zero')
LessThanZeroException: x is less than zero
...
How to set gradle home while importing existing project in Android studio
...ed/android-studio/gradle/gradle-x.y.z (x.y.z is the version, so check your filesystem for the exact path).
If you intend on doing gradle development outside Android Studio or want a different version, you can download it separately and point it at that path, but if you only want to get Android Stud...
Equivalent of typedef in C#
...s no true equivalent of typedef. You can use 'using' directives within one file, e.g.
using CustomerList = System.Collections.Generic.List<Customer>;
but that will only impact that source file. In C and C++, my experience is that typedef is usually used within .h files which are included wi...
My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
..." ports to be opened (something administrators are loathe to do) or policy files that need to be managed.
In short, using Java, Flash, or Silverlight for socket connectivity is problematic enough that you don't see it deployed in serious architectures too often. Flash and Java have had this capabil...
When should you use constexpr capability in C++11?
...{ TWO = 2 };
// This doesn't compile
enum { pi = 3.1415f };
// This is a file local lvalue masquerading as a global
// rvalue. It works most of the time. But May subtly break
// with static initialization order issues, eg pi = 0 for some files.
static const float pi = 3.1415f;
// This is a true...
How to load external webpage inside WebView
...ntegrate these lines of code
first take permission in the Android Manifest file
<uses-permission android:name="android.permission.INTERNET" />
then write some code in you Activity.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/ap...