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What is App.config in C#.NET? How to use it?

... connection string is hard coded in my coding, there is no problem for installing it in my system, but for other systems there is. ...
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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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Force Java timezone as GMT/UTC

... Yep, that fine. Just one point to mention, that I actually set the user.timezone directly in code, rather then via the -D parameter. – SyBer Apr 13 '10 at 21:10 ...
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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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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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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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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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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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Is it possible to install another version of Python to Virtualenv?

I have a shared account in a web-hosting that has Python 2.4 installed, but my code is not compatible with 2.4. Is it possible to install Python 2.6 directly to Virtualenv? ...
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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"> ...