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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
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Ron Hitches in his excellent book Java NIO seems to offer what I thought could be a good answer to your question:
Operating systems perform I/O
operations on memory areas. These
memory areas, as far as the operating
syst...
What is the fastest method for selecting descendant elements in jQuery?
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Method 1 and method 2 are identical with the only difference is that method 1 needs to parse the scope passed and translate it to a call to $parent.find(".child").show();.
Method 4 and Method 5 both need to parse the selector and then just call: $('#parent').c...
dismissModalViewControllerAnimated deprecated
...ntrollerAnimated:NO completion:nil];
The word modal has been removed; As it has been for the presenting API call:
[self presentViewController:vc animated:NO completion:nil];
The reasons were discussed in the 2012 WWDC Session 236 - The Evolution of View Controllers on iOS Video. Essentially, vi...
Select values from XML field in SQL Server 2008
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SQL Server 2008 R2 Express, returned me this error with your solution: The XQuery syntax '/function()' is not supported.; On the other hand @Remus Rusanu seems to do it :)
– RMiranda
Apr 19 '13 at 20:25
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How do I convert this list of dictionaries to a csv file?
...0},
{'name':'jim','age':31,'weight':180}]
keys = toCSV[0].keys()
with open('people.csv', 'w', newline='') as output_file:
dict_writer = csv.DictWriter(output_file, keys)
dict_writer.writeheader()
dict_writer.writerows(toCSV)
EDIT: My prior solution doesn't handle the order. A...
Unresolved specs during Gem::Specification.reset:
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I was seeing this issue by just running RSpec on its own. From what I understand, this means that you have more than one version of the listed gems installed on your system, and RSpec is unsure which one to use. After uninstalling older version of the gems, the warnings wen...
How to wait for all goroutines to finish without using time.Sleep?
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You can use sync.WaitGroup. Quoting the linked example:
package main
import (
"net/http"
"sync"
)
func main() {
var wg sync.WaitGroup
var urls = []string{
"http://www.golang.org/",
...
Any shortcut to initialize all array elements to zero?
... spec:
Each class variable, instance variable, or array component is initialized with a default value when it is created (§15.9, §15.10) [...] For type int, the default value is zero, that is, 0.
If you want to initialize an one-dimensional array to a different value, you can use java.uti...
How to access java-classes in the default-package?
I'm working now together with others in a grails project. I have to write some Java-classes. But I need access to an searchable object created with groovy. It seems, that this object has to be placed in the default-package.
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GitHub relative link in Markdown file
Is there a way to create a URL anchor, <a> , link from within a Markdown file, to another file within the same repository and branch (aka a link relative to the current branch)?
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