大约有 40,000 项符合查询结果（耗时：0.0476秒） [XML]
what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?
...n/deserialization, which also preserves the format of the key:
YAML.load({test: {'test' => { ':test' => 5}}}.to_yaml)
=> {:test=>{"test"=>{":test"=>5}}}
Benefit of this approach it seems like a format that is better suited for REST services...
...
How do I specify multiple targets in my podfile for my Xcode project?
...h 'MyApp', 'MyOtherApp' to specify multiple targets.
I use this with unit tests like link_with 'App', 'App-Tests' (beware of spaces in target's names).
Example:
platform :osx, '10.8'
link_with 'Sail', 'Sail-Tests'
pod 'SSKeychain', '~> 0.1.4'
pod 'INAppStoreWindow', :head
pod 'AFNetworking',...
Calling Java varargs method with single null argument?
...
A Test Case to illustrate this:
The Java code with a vararg-taking method declaration (which happens to be static):
public class JavaReceiver {
public static String receive(String... x) {
String res = ((x == null)...
Loop through all the files with a specific extension
...you know why?
Yes!
An excellent article What is the difference between test, [ and [[ ?] explains in detail that among other differences, you cannot use expression matching or pattern matching within the test command (which is shorthand for [ )
Feature new test [[ old test [ ...
Server.UrlEncode vs. HttpUtility.UrlEncode
...=> "%20"
"100% true" ==> "100%%20true" (ok, your url is broken now)
"test A.aspx#anchor B" ==> "test%20A.aspx#anchor%20B"
"test A.aspx?hmm#anchor B" ==> "test%20A.aspx?hmm#anchor B" (note the difference with the previous escape sequence!)
It also has the lovelily specific MSDN documen...
Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
... give you a better idea as to which line causes the problem.
Create a unit test which replicates the problem without configuring a transaction manager in Spring. This should give you a better idea of the offending line of code.
Hope that helps.
...
In Python, how do I read the exif data for an image?
...
Can you test this on this Question, download the images, and try to get the ImageDescription. stackoverflow.com/questions/22173902/…
– A.J.
Mar 6 '14 at 7:21
...
How to get child element by class name?
...lter the one whose className equals 4:
var doc = document.getElementById("test");
var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = doc.childNodes[i];
break;
}
}
...
How to randomize (or permute) a dataframe rowwise and columnwise?
... also use the randomizeMatrix function in the R package picante
example:
test <- matrix(c(1,1,0,1,0,1,0,0,1,0,0,1,0,1,0,0),nrow=4,ncol=4)
> test
[,1] [,2] [,3] [,4]
[1,] 1 0 1 0
[2,] 1 1 0 1
[3,] 0 0 0 0
[4,] 1 0 1 0
randomizeMatrix(test,...
What is the difference between parseInt() and Number()?
... time I've seen NaN. It may be helpful for some folks to know that NaN is tested with the function isNaN ( value ). Just using "if ( value == NaN )", for example, won't work.
– WonderfulDay
May 4 '13 at 9:54
...