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Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
...ld trigger the pre-flight request and hit the OPTIONS block.
See MDN Web API Reference - CORS Preflighted requests
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How do I catch an Ajax query post error?
... The success and error callbacks above are obsolete as of jQuery 1.8 api.jquery.com/jQuery.post
– Baldy
Nov 27 '13 at 11:53
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What is the best way to tell if a character is a letter or number in Java without using regexes?
... more than a-Z0-9 !!! refer to the doc here docs.oracle.com/javase/7/docs/api/java/lang/…
– fl0w
Mar 6 '19 at 16:49
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Is there a way to automate the android sdk installation?
...download and install the Android SDK and AVD Manager, and then install the APIs, tools through the UI. Is there a way to automate this process?
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Android: Getting a file URI from a content URI?
... This answer is insufficient for someone who is using a closed-source API that relies on Files rather than FileStreams, but yet wants to use the OS to allow the user to select the file. The answer @DanyalAytekin referenced was exactly what I needed (and in fact, I was able to trim a lot of the ...
How can I enable auto complete support in Notepad++?
...tocompletion, have a look at the files in %ProgramFiles%\Notepad++\plugins\APIs. It's basically just an XML file with keywords in. If you want calltips ("function parameters hint"), check out these instructions.
I've never found any more documentation, but cpp.xml has a calltip for fopen, while p...
Can Flask have optional URL parameters?
...
If you are using Flask-Restful like me, it is also possible this way:
api.add_resource(UserAPI, '/<userId>', '/<userId>/<username>', endpoint = 'user')
a then in your Resource class:
class UserAPI(Resource):
def get(self, userId, username=None):
pass
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Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...r.parseInt(String).
References
Java Language Guide/Autoboxing
Integer API references
static int parseInt(String)
static Integer getInteger(String)
On Integer.getInteger
Here's what the documentation have to say about what this method does:
public static Integer getInteger(String nm):...
Fragment or Support Fragment?
...r a while is that you do not have access to the ChildFragmentManager until API 17. The support library will give you a support version of the child fragment manager.
This becomes a big deal if you have fragments that contain other fragments. This is common in tablet applications with a good deal...
Detect If Browser Tab Has Focus
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Important Edit: This answer is outdated. Since writing it, the Visibility API (mdn, example, spec) has been introduced. It is the better way to solve this problem.
var focused = true;
window.onfocus = function() {
focused = true;
};
window.onblur = function() {
focused = false;
};
AFA...