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Saving vim macros
... character. A literal <ESC> doesn't work
– adam_0
Jan 28 '14 at 1:33
5
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How to recover a dropped stash in Git?
...ash commit you dropped, you can apply it as a stash:
git stash apply $stash_hash
Or, you can create a separate branch for it with
git branch recovered $stash_hash
After that, you can do whatever you want with all the normal tools. When you’re done, just blow the branch away.
Finding the hash
If ...
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
...
is not JSON serializable
... filled with django objects:
data = serializers.serialize('json', self.get_queryset())
return HttpResponse(data, content_type="application/json")
In your case, self.get_queryset() contains a mix of django objects and dicts inside.
One option is to get rid of model instances in the self.get_query...
How do I cast a variable in Scala?
...is not of the given type:
g match {
case g2: Graphics2D => g2
case _ => throw new ClassCastException
}
This block replicates the semantics of the asInstanceOf[Graphics2D] method, but with greater flexibility. For example, you could provide different branches for various types, effectiv...
Explain the encapsulated anonymous function syntax
...unction (x, y) {
return x * y;
};
4- A named function expression func_name, assigned to the variable multiply:
var multiply = function func_name(x, y) {
return x * y;
};
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What is a word boundary in regex?
...tring if it begins or ends (respectively) with a word character ([0-9A-Za-z_]).
So, in the string "-12", it would match before the 1 or after the 2. The dash is not a word character.
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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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How to write logs in text file when using java.util.logging.Logger
...g file nicer :)
SimpleDateFormat format = new SimpleDateFormat("M-d_HHmmss");
try {
fh = new FileHandler("C:/temp/test/MyLogFile_"
+ format.format(Calendar.getInstance().getTime()) + ".log");
} catch (Exception e) {
e.printStackTrace();...
How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
... It seems like the reflection solution just stopped working in 1.8.0_112. It works in 1.8.0_111, but not 112.
– John L
Oct 27 '16 at 18:54
3
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