Update links

docs/judge/setting_up_a_judge.md

@@ -53,7 +53,7 @@ connecting it to the site. It expects problems to be placed on the host under
 `/mnt/problems/judge.yml`.
 
 ```shell-session
-$ git clone --recursive https://github.com/DMOJ/judge.git
+$ git clone --recursive https://github.com/DMOJ/judge-server.git
 $ cd judge/.docker
 $ make judge-tier1
 $ docker run \

docs/site/installation.md

@@ -47,7 +47,7 @@ You should see `(dmojsite)` prepended to your shell. Henceforth, `(dmojsite)` co
 Now, fetch the site source code. If you plan to install a judge [from PyPI](https://pypi.org/project/dmoj/), check out a matching version of the site repository. For example, for judge v4.0.0:
 
 ```shell-session
-(dmojsite) $ git clone https://github.com/DMOJ/site.git
+(dmojsite) $ git clone https://github.com/DMOJ/online-judge.git
 (dmojsite) $ cd site
 (dmojsite) $ git checkout v4.0.0  # only if planning to install a judge from PyPI, otherwise skip this step
 (dmojsite) $ git submodule init

docs/site/mathoid.md

@@ -4,11 +4,11 @@ The DMOJ platform is capable of rendering LaTeX math for constraints and formula
 For example, [this problem](https://dmoj.ca/problem/fibonacci) makes extensive use of this functionality to present
 crisp math rendering in browsers.
 
-The DMOJ makes use of the [Wikimedia Mathoid](https://github.com/wikimedia/mathoid) project to render math.
+The DMOJ makes use of the [Wikimedia Mathoid](https://github.com/wikimedia/mediawiki-services-mathoid) project to render math.
 
 ## Installing Mathoid
 
-Follow the [installation instructions](https://github.com/wikimedia/mathoid) of Mathoid. Moving forward, we'll assume that
+Follow the [installation instructions](https://github.com/wikimedia/mediawiki-services-mathoid) of Mathoid. Moving forward, we'll assume that
 you are running Mathoid on `localhost:8888`.
 
 ## Configuring DMOJ to use Mathoid

docs/site/pdfoid.md

@@ -28,7 +28,7 @@ Install `exiftool`, which is used to set PDF titles.
 $ apt install exiftool
 ```
 
-Install [ChromeDriver](https://chromedriver.chromium.org/downloads), a special version of the Chromium engine needed by
+Install [ChromeDriver](https://developer.chrome.com/docs/chromedriver/downloads), a special version of the Chromium engine needed by
 Selenium to create PDFs.
 
 ```shell-session

docs/site/user_data_download.md

@@ -22,7 +22,7 @@ DMOJ_USER_DATA_DOWNLOAD_RATELIMIT = datetime.timedelta(days=1)
 ```
 
 Also, uncomment the relevant section in your Nginx configuration if you wish to take
-advantage of Nginx's [X-Accel-Redirect](https://www.nginx.com/resources/wiki/start/topics/examples/x-accel/#x-accel-redirect)
+advantage of Nginx's [X-Accel-Redirect](https://github.com/nginxinc/nginx-wiki/blob/master/source/start/topics/examples/x-accel.rst#x-accel-redirect)
 feature.
 
 ```nginx

sample_files/local_settings.py

@@ -1,7 +1,7 @@
 #####################################
 ########## Django settings ##########
 #####################################
-# See <https://docs.djangoproject.com/en/3.2/ref/settings/>
+# See <https://docs.djangoproject.com/en/4.2/ref/settings/>
 # for more info and help. If you are stuck, you can try Googling about
 # Django - many of these settings below have external documentation about them.
 #
@@ -24,15 +24,15 @@
 )
 
 # Caching. You can use memcached or redis instead.
-# Documentation: <https://docs.djangoproject.com/en/3.2/topics/cache/>
+# Documentation: <https://docs.djangoproject.com/en/4.2/topics/cache/>
 CACHES = {
     'default': {
         'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
     },
 }
 
 # Your database credentials. Only MySQL is supported by DMOJ.
-# Documentation: <https://docs.djangoproject.com/en/3.2/ref/databases/>
+# Documentation: <https://docs.djangoproject.com/en/4.2/ref/databases/>
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.mysql',
@@ -48,11 +48,11 @@
 }
 
 # Sessions.
-# Documentation: <https://docs.djangoproject.com/en/3.2/topics/http/sessions/>
+# Documentation: <https://docs.djangoproject.com/en/4.2/topics/http/sessions/>
 #SESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'
 
 # Internationalization.
-# Documentation: <https://docs.djangoproject.com/en/3.2/topics/i18n/>
+# Documentation: <https://docs.djangoproject.com/en/4.2/topics/i18n/>
 LANGUAGE_CODE = 'en-ca'
 DEFAULT_USER_TIME_ZONE = 'America/Toronto'
 USE_I18N = True
@@ -74,7 +74,7 @@
 #########################################
 ########## Email configuration ##########
 #########################################
-# See <https://docs.djangoproject.com/en/3.2/topics/email/#email-backends>
+# See <https://docs.djangoproject.com/en/4.2/topics/email/#email-backends>
 # for more documentation. You should follow the information there to define
 # your email settings.
 
@@ -116,7 +116,7 @@
 ################################################
 ########## Static files configuration ##########
 ################################################
-# See <https://docs.djangoproject.com/en/3.2/howto/static-files/>.
+# See <https://docs.djangoproject.com/en/4.2/howto/static-files/>.
 
 # Change this to somewhere more permanent, especially if you are using a
 # webserver to serve the static files. This is the directory where all the
@@ -252,7 +252,7 @@
 
 
 ## ======== Logging Settings ========
-# Documentation: https://docs.djangoproject.com/en/3.2/ref/settings/#logging
+# Documentation: https://docs.djangoproject.com/en/4.2/ref/settings/#logging
 #                https://docs.python.org/3/library/logging.config.html#configuration-dictionary-schema
 LOGGING = {
     'version': 1,

sample_files/problem_markdown_example.md.txt

@@ -158,5 +158,5 @@ Optional: an explanation of how the Sample Output was produced goes here, clarif
 
 A prime number has exactly two divisors: ~1~ and itself. The prime numbers in ~A~ are ~2, 3~ and ~5~, so the output is ~2 + 3 + 5 = 10~.
 
-  [1]: https://google.ca
-  [2]: https://www.google.ca/doodle4google/images/splashes/featured.png
+  [1]: https://www.google.ca/
+  [2]: https://doodles.google.ca/d4g/images/splashes/featured.png