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How do I get the last inserted ID of a MySQL table in PHP?
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The problem with this one is if you have a lot of inserts happening (eg your database also logs something) you can get the wrong ID.
– Mike
May 4 '12 at 18:30
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Check for installed packages before running install.packages() [duplicate]
...have an R script that is shared with several users on different computers. One of its lines contains the install.packages("xtable") command.
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How to scroll to specific item using jQuery?
...tterly simple I have spent ages on other solutions online, but this simple one liner does exactly what I need.
– Laurence Cope
Sep 30 '13 at 12:01
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receiver type *** for instance message is a forward declaration
...t like Apple's templates do:
#import <Availability.h>
#ifndef __IPHONE_5_0
#warning "This project uses features only available in iOS SDK 5.0 and later."
#endif
#ifdef __OBJC__
#import <UIKit/UIKit.h>
#import <Foundation/Foundation.h>
#import <CoreData/CoreData.h&...
Check if null Boolean is true results in exception
...ak performance is the most important priority in your project then look at one of the other answers for a native solution that doesn't require including an external library.)
Don't reinvent the wheel. Leverage what's already been built and use isTrue():
BooleanUtils.isTrue( bool );
Checks if a ...
The JPA hashCode() / equals() dilemma
...st/Sets" (if you think of removing an entity which is part of a Set from a OneToMany mapping) which would be answered "No" on the last two options because its hashCode() changes which violates its contract.
– MRalwasser
Feb 17 '11 at 17:03
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Flask-SQLalchemy update a row's information
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Thanks Mark. One other thing. I've seen it done like this 'db.add(user)' then 'dv.session.commit()'. Why do the both work? and what's the difference?
– pocorschi
Jul 15 '11 at 7:21
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Why doesn't delete set the pointer to NULL?
...h a way that the pointer will go out of scope immediately after delete is done. Filling it with null is just a waste of time. And C++ is a language with "don't need it? then you don't have to pay for it" ideology.
If you need safety there's a wide range of smart pointers at you service or you can w...
Hidden features of WPF and XAML?
...a Warning: 56 : BindingExpression (hash=5923895): Default mode resolved to OneWay
System.Windows.Data Warning: 57 : BindingExpression (hash=5923895): Default update trigger resolved to PropertyChanged
System.Windows.Data Warning: 58 : BindingExpression (hash=5923895): Attach to System.Windows.Contro...
Android: ScrollView force to bottom
...e of focus. That will bring some strange behavior when there are more than one focusable views, e.g two EditText. Check another solution I provide at the bottom.
– peacepassion
Jan 19 '16 at 0:38
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