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jQuery object equality
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If you still don't know, you can get back the original object by:
alert($("#deviceTypeRoot")[0] == $("#deviceTypeRoot")[0]); //True
alert($("#deviceTypeRoot")[0] === $("#deviceTypeRoot")[0]);//True
because $("#deviceTypeRoot") also returns an...
Preview an image before it is uploaded
... the $('#blah') whith the $('#preview') and add the $('#preview').show()
Now the IE specific Javascript (pic_preview_ie.js):
function readURL (imgFile) {
var newPreview = document.getElementById('preview_ie');
newPreview.filters.item('DXImageTransform.Microsoft.AlphaImageLoader').src = im...
Get difference between 2 dates in JavaScript? [duplicate]
... to UTC, and then calculating the difference between those two UTC dates.
Now, the solution can be written as,
const _MS_PER_DAY = 1000 * 60 * 60 * 24;
// a and b are javascript Date objects
function dateDiffInDays(a, b) {
// Discard the time and time-zone information.
const utc1 = Date.UTC(a...
How to connect android emulator to the internet
...etwork connections, find your LAN card, right click it and choose disable. Now try your emulator. If you're like me, it suddenly ... works!
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What is the difference between partitioning and bucketing a table in Hive ?
I know both is performed on a column in the table but how is each operation different.
8 Answers
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Do I use , , or for SVG files?
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Now accepted everywhere. @artlung, you may want to change your answer to this one.
– SteeveDroz
Oct 1 '15 at 11:18
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How to run test methods in specific order in JUnit4?
...e, why?
I'm not sure there is a clean way to do this with JUnit, to my knowledge JUnit assumes that all tests can be performed in an arbitrary order. From the FAQ:
How do I use a test fixture?
(...) The ordering of test-method invocations is not guaranteed, so testOneItemCollection() mig...
Skip callbacks on Factory Girl and Rspec
...:user_without_callbacks) should create the user without the callbacks. I know this is just a "design" modification, but I think this can avoid to break pre existing code, and be more consistent.
– Gnagno
Jun 20 '13 at 16:21
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Base constructor in C# - Which gets called first? [duplicate]
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Actually, it looks like I spoke too fast. Now I've consulted the spec, and while it says that the constructor-initializer is executed before the constructor-body, that counts as being included in the overall constructor. So you're entirely right from both perspective...
Creating a copy of a database in PostgreSQL [closed]
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I know this is an old Q/A, but I feel it needs clarification: When @synecdoche says that originaldb must be idle, that means no write possibility at all. "Copying" a database in this fashion does not lock originaldb. PostgreSQL ...