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How do I include related model fields using Django Rest Framework?
...ializers.ModelSerializer):
teachers = TeacherSerializer(source='teacher_set')
class Meta:
model = Classroom
Note that we use the source argument on the serializer field to specify the attribute to use as the source of the field. We could drop the source argument by instead making...
How can I get the application's path in a .NET console application?
...pps. Here are my results of 3 different methods
protected void Application_Start(object sender, EventArgs e)
{
string p1 = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
string p2 = System.Web.Hosting.HostingEnvironment.ApplicationPhysicalPath;
st...
BeautifulSoup Grab Visible Webpage Text
...autifulSoup
from bs4.element import Comment
import urllib.request
def tag_visible(element):
if element.parent.name in ['style', 'script', 'head', 'title', 'meta', '[document]']:
return False
if isinstance(element, Comment):
return False
return True
def text_from_html(...
Detect Windows version in .net
...ObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_OperatingSystem"))
{
ManagementObjectCollection information = searcher.Get();
if (information != null)
{
foreach (ManagementObject obj in information)
{
r = obj["Caption"].ToString() +...
ssh: connect to host github.com port 22: Connection timed out
...swered Oct 15 '18 at 12:41
Mahan_FMahan_F
2,74311 gold badge1010 silver badges2121 bronze badges
...
Set up adb on Mac OS X
... 'export PATH=$PATH:~/.android-sdk-macosx/platform-tools/' >> ~/.bash_profile
Refresh your bash profile (or restart your terminal app)
source ~/.bash_profile
Start using adb
adb devices
Option 3 - If you already have Android Studio installed
Add platform-tools to your path
echo 'exp...
jQuery: keyPress Backspace won't fire?
...tr('name');
var hiddenID = tempField.substr(tempField.indexOf('_') + 1);
$('#' + hiddenID).val('');
$(this).val('')
return;
} // Allow: tab, escape, and enter
else if (event.keyCode == 9 || event.keyCode == 27 || event.keyCode == 13 ||...
git submodule tracking latest
...
@DC_ I agree with "this answer" (since I wrote it). The "following a branch" feature is meant to update a submodule to the latest commit of a branch. Once that is done, you will still have to add and commit the new submodule sta...
How to rename a table in SQL Server?
...
To rename a table in SQL Server, use the sp_rename command:
exec sp_rename 'schema.old_table_name', 'new_table_name'
share
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write a shell script to ssh to a remote machine and execute commands
...
This work for me.
Syntax : ssh -i pemfile.pem user_name@ip_address 'command_1 ; command 2; command 3'
#! /bin/bash
echo "########### connecting to server and run commands in sequence ###########"
ssh -i ~/.ssh/ec2_instance.pem ubuntu@ip_address 'touch a.txt; touch b.txt; s...