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What is the difference between lower bound and tight bound?

... In simple terms can we call: upper bound (Big(O)) as the worst case? tight bound as the average case? lower bound (Omega) as the best case? – Revanth Mar 12 '18 at 22:30 ...
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what is the difference between XSD and WSDL

... Paolo answer is correct. Just enhancing it. As WSDL is actually XML and may or may not have XSD to validate it's structure. Associated XSD may be a separate file and imported in WSDL or full XSD can be embedded inline in WSDL file itself using <WSDL:types> tag .For more details...
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What's the fastest way to do a bulk insert into Postgres?

I need to programmatically insert 10's of millions of records into a postgres database. Presently I am executing 1000's of insert statements in a single "query". ...
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Why does python use 'else' after for and while loops?

...to seasoned Python coders. When used in conjunction with for-loops it basically means "find some item in the iterable, else if none was found do ...". As in: found_obj = None for obj in objects: if obj.key == search_key: found_obj = obj break else: print('No object found.') ...
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What is the purpose and use of **kwargs?

...t_name = John last_name = Doe You can also use the **kwargs syntax when calling functions by constructing a dictionary of keyword arguments and passing it to your function: >>> kwargs = {'first_name': 'Bobby', 'last_name': 'Smith'} >>> print_keyword_args(**kwargs) first_name = B...
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Streaming via RTSP or RTP in HTML5

... Technically 'Yes' (but not really...) HTML 5's <video> tag is protocol agnostic—it does not care. You place the protocol in the src attribute as part of the URL. E.g.: <video src="rtp://myserver.com/path/to/stream"> ...
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How do I keep two side-by-side divs the same height?

...: flex; /* equal height of the children */ } .col { flex: 1; /* additionally, equal width */ padding: 1em; border: solid; } <div class="row"> <div class="col">Lorem ipsum dolor sit amet, consectetur adipisicing elit.</div> <div class="col">Lorem ipsum dolor sit...
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git: fatal: Could not read from remote repository

... Thanks a Lot.. This finally worked for me after trying to create, delete, etc the SSH keys into my GitLab account.... Thanks!! – Bms bharadwaj Jul 22 '19 at 13:13 ...
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What is correct HTTP status code when redirecting to a login page?

...pires header field. fits a login page most closely in my opinion. I initially considered 303 see other which would work just as well. After some thought, I'd say 302 Found is more fitting because the requested resource was found, there just is another page to go through before it can be accessed. ...
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Clicking the back button twice to exit an activity

...ode uses System.currentTimeMillis(); to store the time onBackPressed() is called; private static final int TIME_INTERVAL = 2000; // # milliseconds, desired time passed between two back presses. private long mBackPressed; @Override public void onBackPressed() { if (mBackPressed + TIME_INTERVAL ...