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FormData.append(“key”, “value”) is not working
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New in Chrome 50+ and Firefox 39+ (resp. 44+):
formdata.entries() (combine with Array.from() for debugability)
formdata.get(key)
and more very useful methods
Original answer:
What I usually do to 'debug' a FormData object, is just send it...
How do I read from parameters.yml in a controller in symfony2?
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In Symfony 2.6 and older versions, to get a parameter in a controller - you should get the container first, and then - the needed parameter.
$this->container->getParameter('api_user');
This documentation chapter explains it.
While...
Replace multiple whitespaces with single whitespace in JavaScript string
...whitespaces with the same kind of whitespace? (e.g. 2+ spaces with a space and 3 newlines with a newline, etc.) if there are both newlines and spaces it would have to be replaced by a newline whereas if there are both spaces and tabs it would have to be replaced by a space
– To...
How to get function parameter names/values dynamically?
...ttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/arguments:
The arguments object is not an Array. It is similar to an Array, but does not have any Array properties except length. For example, it does not have the pop method. However it can be converted t...
The key must be an application-specific resource id
...don't get the pattern. i want to set two tags corresponding to say a first and last name. where do i define the integer IDs for these?
– Jeffrey Blattman
May 26 '11 at 1:04
7
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Delete a closed pull request from GitHub
I accidentally made a wrong pull request and ended up closing the request myself. It's in a closed state right now but it's accessible via direct URL and showing on my activity bar.
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Git merge without auto commit
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FYI: If you want to merge the changes and then commit as if you had manually typed all of the changes you merged in (as opposed to a traditional merge) you need to run rm .git/MERGE_HEAD afterward, which will force git to forget that the merge happened.
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HashMap to return default value for non-found keys?
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[Update]
As noted by other answers and commenters, as of Java 8 you can simply call Map#getOrDefault(...).
[Original]
There's no Map implementation that does this exactly but it would be trivial to implement your own by extending HashMap:
public class Defau...
How should I detect unnecessary #include files in a large C++ project?
I am working on a large C++ project in Visual Studio 2008, and there are a lot of files with unnecessary #include directives. Sometimes the #include s are just artifacts and everything will compile fine with them removed, and in other cases classes could be forward declared and the #include could...
Can you find all classes in a package using reflection?
...quired to tell the VM which classes it can provide, instead they are just handed requests for classes, and have to return a class or throw an exception.
However, if you write your own class loaders, or examine the classpaths and it's jars, it's possible to find this information. This will be via fi...