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Converting JSON data to Java object
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This will give error can not deserialize instance of java.util.HashSet out of START_OBJECT token
– Dipen Chawla
May 15 '19 at 8:24
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Why can I initialize a List like an array in C#?
...er syntax.
– phoog
Jan 13 '12 at 19:05
2
Eric's point is important if you're using some kind of c...
find() with nil when there are no records
...in
user = User.find(10)
rescue ActiveRecord::RecordNotFound
puts "some error msg"
end
If you want to recover from the error in the rescue block (e.g. by setting a placeholder user (null pattern)), you can continue with your code below this block. Otherwise you might just put all your code for ...
How To Check If A Key in **kwargs Exists?
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edited Mar 7 '18 at 16:05
Stevoisiak
13.9k1616 gold badges9191 silver badges153153 bronze badges
answ...
Can I “multiply” a string (in C#)?
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edited Feb 10 '09 at 16:05
answered Feb 10 '09 at 15:59
T...
jQuery selector regular expressions
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I'm getting Error: Syntax error, unrecognized expression: unsupported pseudo: regex
– ryan2johnson9
Jan 29 '15 at 0:15
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Resize fields in Django Admin
... it for each of my ModelAdmin subclasses or it would result in a recursion error. Eventually, I found that adding the code below to models.py works:
from django.forms import Textarea
class MyTextField(models.TextField):
#A more reasonably sized textarea ...
How to read embedded resource text file
...("MyNamespace.MyTextFile.txt"));
}
catch
{
MessageBox.Show("Error accessing resources!");
}
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Input from the keyboard in command line application
...fies the number of bytes to read
///
///:returns: the string, or nil if an error was encountered trying to read Stdin
public func readln(max:Int = 8192) -> String? {
assert(max > 0, "max must be between 1 and Int.max")
var buf:Array<CChar> = []
var c = getchar()
while c ...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
.../
.demoimage {}
/* Not recommended: uses underscore instead of hyphen */
.error_status {}
/* Recommended */
#video-id {}
.ads-sample {}
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