大约有 4,899 项符合查询结果（耗时：0.0284秒） [XML]
Java List.add() UnsupportedOperationException
...ects to a List<String> instance but it throws an UnsupportedOperationException .
Does anyone know why?
7 Answers
...
custom listview adapter getView method being called multiple times, and in no coherent order
... able to change, but currently it's not answering why it's doing this behavior?
– cdpnet
Aug 12 '11 at 23:09
45
...
Is there a foreach loop in Go?
...or map, or values received on a channel.
For each entry it assigns iteration values to corresponding iteration
variables and then executes the block.
As an example:
for index, element := range someSlice {
// index is the index where we are
// element is the element from someSlice for ...
Cannot overwrite model once compiled Mongoose
...');
var User = require('./user_model.js');
var db = mongoose.createConnection('localhost', 'event-db');
db.on('error', console.error.bind(console, 'connection error:'));
var a1= db.once('open',function(){
User.find({},{},function (err, users) {
mongoose.connection.close();
console.log("Us...
How to perform file system scanning
...g-nuts/msg/e304dd9cf196a218. The code below will not work for release versions of GO in the near future.
There's actually a function in the standard lib just for this: filepath.Walk.
package main
import (
"path/filepath"
"os"
"flag"
)
type visitor int
// THIS CODE NO LONGER WORKS, ...
How do I draw a shadow under a UIView?
...it to draw a shadow. Then, finally, you invoke the superclass's implementation of drawRect: .
Any drawing that should be affected by the shadow setting needs to happen after
CGContextSetShadow(currentContext, CGSizeMake(-15, 20), 5);
but before
CGContextRestoreGState(currentContext);
So if y...
pip broke. how to fix DistributionNotFound error?
... mixture of both py package manage tools led to the pkg_resources.DistributionNotFound problem.
The resolve is:
easy_install --upgrade pip
Remember: just use one of the above tools to manage your Py packages.
share
...
Creating and throwing new exception
How I can create and throw a new exception in PowerShell?
1 Answer
1
...
How to fully remove Xcode 4
I want to remove all existing SDK versions as well as Xcode 4.
7 Answers
7
...
undefined reference to boost::system::system_category() when compiling
...
I am using a g++ Makefile for the compilation. Where does one usually put such flags?
– user1049697
Mar 15 '12 at 17:09
2
...