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Correct way to use get_or_create?
I'm trying to use get_or_create for some fields in my forms, but I'm getting a 500 error when I try to do so.
5 Answers
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keytool error :java.io.IoException:Incorrect AVA format
...ception: (line breaks added for legibility)
C:\Program Files\Java\jdk1.6.0_45\jre\bin>keytool
-genkey -v -dname PatrickTaylor -validity 10000
-keystore C:\drops\patrickkeystore
this command completed successfully:
C:\Program Files\Java\jdk1.6.0_45\jre\bin>keytool
-genkey -v -dname Patr...
PHP prepend associative array with literal keys?
...epend an associative array with literal key=>value pairs? I know that array_unshift() works with numerical keys, but I'm hoping for something that will work with literal keys.
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Javascript Cookie with no expiration date
...038-01-19 04:14:07
So Maximum cookie life time is
$.cookie('subscripted_24', true, { expires: 2147483647 });
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Generate full SQL script from EF 5 Code First Migrations
...ate a database to a specific version.
Script-Migration -From 20190101011200_Initial-Migration -To 20190101021200_Migration-2
https://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/#generate-sql-scripts
There are several options to this command.
The from migration should be the last m...
java: HashMap not working
..., int[]> map = new HashMap<>();
int x = 1;
//put x in map
int[] x_ = new int[]{x};
map.put("x", x_);
//get the value of x
int y = map.get("x")[0];
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Moving from CVS to Git: $Id$ equivalent?
...see why it's behaving the way it is. It simplifies management of deployed apps.... and I don't want some commit hook that considers every commit to be a change to every file that had a $Id$ tag in it.
– nairbv
Dec 1 '13 at 20:12
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Regex doesn't work in String.matches()
...d suit? From what I know, only C++ has an equivalent set of methods - regex_search and regex_match. In Python, re.match only anchors the match at the start of the string (as if it were \Apattern) and Python 3.x has got a nice .fullmatch() method. In JS, Go, PHP and .NET, the there are no regex metho...
What's the difference between assignment operator and copy constructor?
...tialized object from some other object's data.
A(const A& rhs) : data_(rhs.data_) {}
For example:
A aa;
A a = aa; //copy constructor
An assignment operator is used to replace the data of a previously initialized object with some other object's data.
A& operator=(const A& rhs) {...
How to commit a change with both “message” and “description” from the command line? [duplicate]
...w I can push commits to GitHub via git (on the command line, not the Mac app).
4 Answers
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