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SQL Logic Operator Precedence: And and Or
Are the two statements below equivalent?
4 Answers
4
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Django Admin - Disable the 'Add' action for a specific model
I have a django site with lots of models and forms. I have many custom forms and formsets and inlineformsets and custom validation and custom querysets. Hence the add model action depends on forms that need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset.
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Do I need to disable NSLog before release Application?
... Id not take logging out as it robs you of the ability to receive better error reports from users. use async logging and logLevels to limit the performance hit to almost zero! (see cocoa lumberjack or java's log4j
– Daij-Djan
Jan 30 '13 at 16:57
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Is there a foreach loop in Go?
...mplement a foreach loop.
func PrintXml (out io.Writer, value interface{}) error {
var data []byte
var err error
for _, action := range []func() {
func () { data, err = xml.MarshalIndent(value, "", " ") },
func () { _, err = out.Write([]byte(xml.Header)) },
func...
How to show and update echo on same line
I have the following in Bash (In Linux)
6 Answers
6
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How do I check if the Java JDK is installed on Mac?
... I agree. I could run "which java" or "which javac", but I got an error message when running "java --version" because JDK is not installed.
– fanchyna
Jan 3 '16 at 14:14
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Correct Bash and shell script variable capitalization
...OB_HOME JOB_LOG JOB_TEMP JOB_RUN_CONTROL
Constants: LOG_DEBUG LOG_INFO LOG_ERROR STATUS_OK STATUS_ERROR STATUS_WARNING
Use "snake case" (all lowercase and underscores) for all variables that are scoped to a single script or a block.
Examples: input_file first_value max_amount num_errors
Use mixed...
Creating a JSON response using Django and Python
...go.http import HttpResponse
response_data = {}
response_data['result'] = 'error'
response_data['message'] = 'Some error message'
Pre-Django 1.7 you'd return it like this:
return HttpResponse(json.dumps(response_data), content_type="application/json")
For Django 1.7+, use JsonResponse as shown ...
How do I revert a Git repository to a previous commit?
...one of the commits between 0766c053..HEAD is a merge then there will be an error popping up (to do with no -m specified). This may help those encountering that: stackoverflow.com/questions/5970889/…
– timhc22
Nov 21 '14 at 11:55
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How does the “final” keyword in Java work? (I can still modify an object.)
... of the class. Again, if the variable is static then it is a compilation error.
18 Answers
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