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Difference between JOIN and INNER JOIN

... They are functionally equivalent, but INNER JOIN can be a bit clearer to read, especially if the query has other join types (i.e. LEFT or RIGHT or CROSS) included in it. ...
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How do I iterate through each element in an n-dimensional matrix in MATLAB?

...ar index for arrays in matlab is an important one. An array in MATLAB is really just a vector of elements, strung out in memory. MATLAB allows you to use either a row and column index, or a single linear index. For example, A = magic(3) A = 8 1 6 3 5 7 4 9 2 ...
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Embedding ads on Android app?

... I have personally used both Admob and Adsense. I was wary when I first implemented ads thinking that my users would be upset, but I have not received one complaint from over 500,000 active installations. The only permission that you nee...
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Postgres unique constraint vs index

... is it actual info? especially about partial indexes – anatol Feb 20 '19 at 6:30 1 ...
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What is the most useful script you've written for everyday life? [closed]

...e so popular :p As for how - Microsoft exposes a nice little API feature called Hooks. Using that hook; I was able to write a "filter" that did what I needed it to do (hint: if you return 1 with your callback windows will not process the keystroke). The reason I know about this actually is not be...
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What is the best JavaScript code to create an img element

...t in the background and doesn't display anything. The image element will call a tracking URL (such as Omniture) and needs to be simple and robust and work in IE 6 =< only. Here is the code I have: ...
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Why does the order of the loops affect performance when iterating over a 2D array?

... x[1][0] etc... Meaning that you're hitting them all in order. Now look at the 1st version. You're doing: x[0][0] x[1][0] x[2][0] x[0][1] ...
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Can Android do peer-to-peer ad-hoc networking?

... For example, I would like to have one phone broadcast a message, and have all peers in the network receive the broadcast, without having a server. I would like to use wifi since bluetooth range is more limited. ...
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Python str vs unicode types

...the proper encoding format, as we don't know which one is being used internally to represent the unicode value. – Caumons Aug 3 '13 at 15:45 10 ...
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When to use the JavaScript MIME type application/javascript instead of text/javascript?

...sniffing on the script to determine type (I'm not sure if any browsers actually do this though); b. browsers use other information—the including page's encoding and in some browsers the script charset attribute—to determine the charset. So any proxy that tried to transcode the resource would br...