大约有 40,750 项符合查询结果（耗时：0.0730秒） [XML]
How do I copy a hash in Ruby?
I'll admit that I'm a bit of a ruby newbie (writing rake scripts, now). In most languages, copy constructors are easy to find. Half an hour of searching didn't find it in ruby. I want to create a copy of the hash so that I can modify it without affecting the original instance.
...
C# difference between == and Equals()
I have a condition in a silverlight application that compares 2 strings, for some reason when I use == it returns false while .Equals() returns true .
...
Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
I'm just learning the ropes of Spring 3's annotation fu and I've stumbled upon the newb's nightmare exception. Would appreciate any help.
...
Best Practices: working with long, multiline strings in PHP?
Note: I'm sorry if this is an extremely simple question but I'm somewhat obsessive compulsive over the formatting of my code.
...
Global variables in AngularJS
I have a problem where i'm initialising a variable on the scope in a controller. Then it gets changed in another controller when a user logs in. This variable is used to control things such as the navigation bar and restricts access to parts of the site depending on the type of user, so its importan...
Thou shalt not inherit from std::vector
Ok, this is really difficult to confess, but I do have a strong temptation at the moment to inherit from std::vector .
13...
How do I pass data between Activities in Android application?
I have a scenario where, after logging in through a login page, there will be a sign-out button on each activity .
51 An...
MySQL InnoDB not releasing disk space after deleting data rows from table
I have one MySQL table using the InnoDB storage engine; it contains about 2M data rows. When I deleted data rows from the table, it did not release allocated disk space. Nor did the size of the ibdata1 file reduce after running the optimize table command.
...
sed one-liner to convert all uppercase to lowercase?
I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.'
...
store and retrieve a class object in shared preference
In Android can we store an object of a class in shared preference and retrieve the object later?
13 Answers
...