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How to get the name of a function in Go?
... log with file and line.
func Debug(format string, a ...interface{}) {
_, file, line, _ := runtime.Caller(1)
info := fmt.Sprintf(format, a...)
log.Printf("[cgl] debug %s:%d %v", file, line, info)
share
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Computed / calculated / virtual / derived columns in PostgreSQL
...al, but makes makes life a bit easier).
Suppose my computation is md5(some_string_field), then I create the index as:
CREATE INDEX some_string_field_md5_index ON some_table(MD5(some_string_field));
Now, any queries that act on MD5(some_string_field) will use the index rather than computing it f...
Test for multiple cases in a switch, like an OR (||)
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to make gradient background in android
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Visual examples help with this kind of question.
Boilerplate
In order to create a gradient, you create an xml file in res/drawable. I am calling mine my_gradient_drawable.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
... I'm getting this error when doing syncdb - I think it's to do with the order django goes through the tables.
– Stuart Axon
May 9 '12 at 15:41
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What do the following phrases mean in C++: zero-, default- and value-initialization?
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Android Writing Logs to text File
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Don't forget to add permission for writing_external_storage in Manifest!
– virusss8
Jan 18 '12 at 20:16
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Xcode stuck at “Your application is being uploaded”
...rom apple download center:
http://support.apple.com/kb/DL1572?viewlocale=en_US
If this still doesn't help then follow this third method:
This method enables the application loader to use the HTTP port instead of HTTPS.
Go to
Application Loader java folder :
/Applications/Xcode.app/Contents/Applicat...
How to change users in TortoiseSVN
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Case insensitive comparison of strings in shell script
...bably wise to execute shopt -u nocasematch after the comparison is done in order to revert back to bash's default.
– Ohad Schneider
Jan 12 '17 at 16:44
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