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Converting Integer to Long

...though you can convert from int to long. For an individual value which is known to be a number and you want to get the long value, you could use: Number tmp = getValueByReflection(inv.var1(), classUnderTest, runtimeInstance); Long value1 = tmp.longValue(); For arrays, it will be trickier... ...
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event.returnValue is deprecated. Please use the standard event.preventDefault() instead

... more see this warning (and other IEish bugs).. It's a question of time (now IE8 has 10% worldwide share, once it reaches 1% it is DEAD), meanwhile, just ignore the warning and stay zen :) share | ...
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What is @ModelAttribute in Spring MVC?

... I know this is an old thread, but I thought I throw my hat in the ring and see if I can muddy the water a little bit more :) I found my initial struggle to understand @ModelAttribute was a result of Spring's decision to combine...
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warning: incompatible implicit declaration of built-in function ‘xyz’

... In an implicit declaration, the return type is int if I recall correctly. Now, GCC has built-in definitions for some standard functions. If an implicit declaration does not match the built-in definition, you get this warning. To fix the problem, you have to declare the functions before using them...
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Are nested transactions allowed in MySQL?

... @Quassnoi the link I provided was to show that nested transactions are now supported. Now, savepoints are powerful, but they're not the same as nested BEGIN,COMMIT/ROLLBACK (programatically speaking, command-wise) although you seem pretty sure that in a "single-threaded context" they're equivale...
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Best practices for exception management in Java or C# [closed]

..., and C. In version two of foo, I want to add a bunch of features, and now foo might throw exception D. It is a breaking change for me to add D to the throws clause of that method, because existing caller of that method will almost certainly not handle that exception. Adding a n...
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Twitter API returns error 215, Bad Authentication Data

...ontent_type = 'application/x-www-form-urlencoded'; The first 2 lines are now documented in Abraham library Readme file, but the 3rd one is not. Also make sure that your oauth_version is still 1.0. Here is my code for getting all user data from 'users/show' with a newly authenticated user and ret...
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Python String and Integer concatenation [duplicate]

... @RogerFan, yeah right! Don't know, how my answer got this many upvotes o_o Didn't expect this! – Anirban Nag 'tintinmj' Aug 5 '16 at 20:25 ...
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@UniqueConstraint annotation in Java

I have a Java bean. Now, I want to be sure that the field should be unique. 8 Answers ...
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Get users by name property using Firebase

...primitives for managing lists of data: Write to Firebase with a unique, known key: ref.child('users').child('123').set({ "first_name": "rob", "age": 28 }) Append to lists with an auto-generated key that will automatically sort by time written: ref.child('users').push({ "first_name": "rob", "age...