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Iterate through object properties
... check:
for (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// do stuff
}
}
It's necessary because an object's prototype contains additional properties for the object which are technically part of the object. These additional properties are inherited fr...
Using the “animated circle” in an ImageView while loading stuff
...inate="true" />
</RelativeLayout>
And when you finish loading, call this one line:
findViewById(R.id.loadingPanel).setVisibility(View.GONE);
The result (and it spins too):
share
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i...
Table header to stay fixed at the top when user scrolls it out of view with jQuery
... container other than window. mkoryak.github.io/floatThead has a more generally-applicable solution.
– Yuck
Nov 30 '13 at 19:42
13
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test a file upload using rspec - rails
...
You can use fixture_file_upload method to test file uploading:
Put your test file in "{Rails.root}/spec/fixtures/files" directory
before :each do
@file = fixture_file_upload('files/test_lic.xml', 'text/xml')
end
it "can upload a license" do...
What is the difference between Class Path and Build Path
...
The build path is used for building your application. It contains all of your source files and all Java libraries that are required to compile the application.
The classpath is used for executing the application. This includes all java classes and libraries that are needed to run the java ...
Changing the status bar text color in splash screen iOS 7
...some stackoverflow questions that say how to change the status bar for all view controllers. I am currently changing the color of status bar this way:
...
Integrate ZXing in Android Studio
I'll start explaining all the steps I have done and in the end what is the problem.
5 Answers
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PHP DOMDocument errors/warnings on html5-tags
...
@SuperCat It's all dependant on the underlying libxml library.
– lonesomeday
Jul 2 '17 at 12:59
6
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How can I use jQuery in Greasemonkey scripts in Google Chrome?
...on Google Chrome.
// ==/UserScript==
// a function that loads jQuery and calls a callback function when jQuery has finished loading
function addJQuery(callback) {
var script = document.createElement("script");
script.setAttribute("src", "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js");...
PSQLException: current transaction is aborted, commands ignored until end of transaction block
...gnored as a failed SQL statement. You are welcome to fail SQL statements all you want and PostgreSQL won't stop you.
Stay being in a transaction, but when you detect that the first SQL has failed, either rollback/re-start or commit/restart the transaction. Then you can continue failing as many S...