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What does `void 0` mean? [duplicate]
Reading through the Backbone.js source code, I saw this:
3 Answers
3
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Secure hash and salt for PHP passwords
...shing & checking method.
The theory of the answer is still a good read though.
TL;DR
Don'ts
Don't limit what characters users can enter for passwords. Only idiots do this.
Don't limit the length of a password. If your users want a sentence with supercalifragilisticexpialidocious in it,...
How to check if a json key exists?
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just before read key check it like before read
JSONObject json_obj=new JSONObject(yourjsonstr);
if(!json_obj.isNull("club"))
{
//it's contain value to be read operation
}
else
{
//it's not contain key club or isnull so do this opera...
The cause of “bad magic number” error when loading a workspace and how to avoid it?
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I got that error when I accidentally used load() instead of source() or readRDS().
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Difference between single and double square brackets in Bash
I'm reading bash examples about if but some examples are written with single square brackets:
6 Answers
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jQuery to retrieve and set selected option value of html select element
...he id's are correct and your dom validates then the following applies:
To Read Select Option Value
$('#selectId').val();
To Set Select Option Value
$('#selectId').val('newValue');
To Read Selected Text
$('#selectId>option:selected').text();
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Why is there no String.Empty in Java?
...s on it - best to use a StringBuilder (or StringBuffer if you want to be thread-safe) and turn that into a String.
Update
From your comment to the question:
What inspired this is actually
TextBox.setText("");
I believe it would be totally legitimate to provide a constant in your appropriate...
Putty: Getting Server refused our key Error
... sshd_conf:
LogLevel DEBUG3
By looking at the logs I realized that sshd reads the key correctly but rejects it because of the incorrect identifier.
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
...ier, self.constant];
}
@end
build it once again, and now you have more readable output for you:
once you got your id you can simple tap it in your Find Navigator:
and quickly find it:
HOW TO SIMPLE FIX THAT CASE?
try to change priority to 999 for broken constraint.
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What does threadsafe mean?
Recently I tried to Access a textbox from a thread (other than the UI thread) and an exception was thrown. It said something about the "code not being thread safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead.
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