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Django: Get an object form the DB, or 'None' if nothing matches
... cases where your logic expects there to be only a single object (which is selected by first()), but in reality multiple objects exist. Using get() instead of first() gives you an extra layer of protection, by raising MultipleObjectsReturned(). If the result being returned is not expected to return ...
Save the console.log in Chrome to a file
... save the console output to a file natively
Open the console
Right-click
Select "save as.."
Chrome Developer instructions here.
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Why I can't change directories using “cd”?
...
To make a bash script that will cd to a select directory :
Create the script file
#!/bin/sh
# file : /scripts/cdjava
#
cd /home/askgelal/projects/java
Then create an alias in your startup file.
#!/bin/sh
# file /scripts/mastercode.sh
#
alias cdjava='. /scrip...
What causes javac to issue the “uses unchecked or unsafe operations” warning
... I wish more people would upvote this answer. I stand by my selection of @Bill the Lizard's answer, but this answer is close to my heart for showing me that the answer was staring me right in the face in the warning itself as well as elaborating another reason for encountering the err...
Eclipse cannot load SWT libraries
...config java
This brings up a list of the different types of Java. Simply select the Open JDK.
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Building with Lombok's @Slf4j and Intellij: Cannot find symbol log
...his error after using IntelliJ to create a Spring Boot project with Lombok selected; it included the compileOnly, and annotationProcessor lines, but not the test* lines.
– Xenson
Aug 13 '19 at 23:12
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(Mac) -bash: __git_ps1: command not found
... export PS1='\t H#\! \u:\w$(__git_ps1 "{%s}") -->> '
Option 2: Add a selection script
if [ -f ~/.git-completion.bash ]; then
export PS1='\w$(__git_ps1 "(%s)") > '
fi
Save and use the profile: source ~/.bash_profile or source ~/.bashrc
Now you should see the git prompt working prop...
How do I see a C/C++ source file after preprocessing in Visual Studio?
...are looking for. Then right-click on the file in the Solution Explorer and select "Compile". The preprocessed file is created in the output directory (e.g. Release, Debug) with an extension .i (thanks to Steed for his comment).
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How to identify unused css definitions
...xtension Dust-Me at https://addons.mozilla.org/en-US/firefox/addon/dust-me-selectors/.
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How to theme the ENTIRE Xcode IDE to light-on-dark?
...ground by going into preferences ⌘., then go to Fonts & Colors, then select the Console. Now you can edit its background:
Just be sure to edit the font colors of the various input and outputs texts if you choose black. By default all of the input/output fonts are black, only the console pro...