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Why does Hibernate require no argument constructor?
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@Bozho hello sir, I have one doubt that if internally hibernate use Constructor.newInstance() to instantiate object then how hibernate set values into fields without any setters defined ?
– Vikas Verma
Apr 17 '1...
How do I delete all untracked files from my working directory in Mercurial?
...@YaakovKuperman I guess adding extension is lesser work than this command (one time enabling). I do not enable purge extension because I need it less than once in a fortnight. Also call me silly but, typing this command gives me enough time to think again before doing something as desctructive as 'p...
What's the most appropriate HTTP status code for an “item not found” error page
...date it, some other thread or process ignored your lock (or you didn't set one) and deleted it. That's not good. Alternatively, if you're trying to update object id=n (where n is provided to you) without first checking it exists, you're missing a validation step in your update logic, which is also n...
How to force ViewPager to re-instantiate its items [duplicate]
... the View
public int getItemPosition(Object object) {
return POSITION_NONE;
}
Does anyone know whether this is a bug or not?
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Python setup.py develop vs install
...is that setup.py develop comes with an --uninstall option for when you're done hacking around.
– philadams
Dec 18 '13 at 21:57
5
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Create tap-able “links” in the NSAttributedString of a UILabel?
...ling touches on the link (opening an URL is a particular case)
The first one is easy. Starting from iOS 6 UILabel supports display of attributed strings. All you need to do is to create and configure an instance of NSMutableAttributedString:
NSMutableAttributedString *attributedString = [[NSMutab...
How to decorate a class?
...class is created. You can, at that time, sub out the constructor for a new one.
Example:
def substitute_init(self, id, *args, **kwargs):
pass
class FooMeta(type):
def __new__(cls, name, bases, attrs):
attrs['__init__'] = substitute_init
return super(FooMeta, cls).__new__(...
What does `void 0` mean? [duplicate]
Reading through the Backbone.js source code, I saw this:
3 Answers
3
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Why does the arrow (->) operator in C exist?
...s to both questions have historical roots.
Why does -> even exist?
In one of the very first versions of C language (which I will refer as CRM for "C Reference Manual", which came with 6th Edition Unix in May 1975), operator -> had very exclusive meaning, not synonymous with * and . combinati...
keytool error Keystore was tampered with, or password was incorrect
...sword for .keystore while I believe you are providing your version (a new one).
Solution
Either delete .keystore from C:\users\abc> location and try the command
or try following command which will create a new xyzkeystore:
keytool -genkey -keystore xyzkeystore -alias tomcat -keyalg RSA
Not...