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Converting Java objects to JSON with Jackson
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ObjectWriter ow = new ObjectMapper().writer().withDefaultPrettyPrinter();
String json = ow.writeValueAsString(object);
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Parse an HTML string with JS
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Create a dummy DOM element and add the string to it. Then, you can manipulate it like any DOM element.
var el = document.createElement( 'html' );
el.innerHTML = "<html><head><title>titleTest</title></head><body><a href='test...
How can I return the current action in an ASP.NET MVC view?
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This syntax works in V4: (string)ViewContext.RouteData.Values["action"];
– kiprainey
Feb 28 '13 at 14:23
2
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Bypass popup blocker on window.open when JQuery event.preventDefault() is set
... url: url,
dataType: 'json',
data: data,
success: callback
});
...and so you can make your $.getJSON call synchronous by mapping your params to the above and adding async: false:
$.ajax({
url: "redirect/" + pageId,
async: false,
dataType: "json",
data: {},
s...
Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...f /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
open new terminal and validate environment is clean from old RVM settings (should be no output):
env | grep rvm
if there was output, try to open new terminal, if it does not help then restart your computer.
install RVM:
\curl -L https://g...
Parse date without timezone javascript
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The date is parsed correctly, it's just toString that converts it to your local timezone:
let s = "2005-07-08T11:22:33+0000";
let d = new Date(Date.parse(s));
// this logs for me
// "Fri Jul 08 2005 13:22:33 GMT+0200 (Central European Summer Time)"
// an...
How to change the default GCC compiler in Ubuntu?
I have installed gcc-3.3/g++-3.3 on ubuntu 11.04 which already has gcc/g++-4.4. So in my system both gcc-3.3 and 4.4 are available. I am able to call both compilers as I want. If I just call the command gcc then gcc-4.4 will get called. To call gcc-3.3, I have to use the command gcc-3.3 .
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Bytes of a string in Java
In Java, if I have a String x , how can I calculate the number of bytes in that string?
8 Answers
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Java List.contains(Object with field value equal to x)
... this:
public boolean containsName(final List<MyObject> list, final String name){
return list.stream().filter(o -> o.getName().equals(name)).findFirst().isPresent();
}
Or alternatively, you could try something like this:
public boolean containsName(final List<MyObject> list, f...
Spring JPA selecting specific columns
... @Query annotation from a Repository class like this:
public static final String FIND_PROJECTS = "SELECT projectId, projectName FROM projects";
@Query(value = FIND_PROJECTS, nativeQuery = true)
public List<Object[]> findProjects();
Note that you will have to do the mapping yourself though....