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Can someone explain in simple terms to me what a directed acyclic graph is?

...answered Feb 17 '10 at 19:29 Roland BoumanRoland Bouman 27.5k55 gold badges6161 silver badges6464 bronze badges ...
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How to display HTML tags as plain text [duplicate]

I have an input form on my website where HTML is allowed and I'm trying to add instructions about the use of HTML tags. I'd like the text to ...
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How can I do an UPDATE statement with JOIN in SQL Server?

...to do it in ANSI/ISO (aka should work on any SQL DBMS), MySQL, SQL Server, and Oracle. Be advised that my suggested ANSI/ISO method will typically be much slower than the other two methods, but if you're using a SQL DBMS other than MySQL, SQL Server, or Oracle, then it may be the only way to go (e.g...
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php

... - @panidarapu and @Don Jones: Depending on the amount of memory, and how this script is used, it could be dangerous to allow the change in memory usage in this way. Don, in your case, you can likely break the feed down into smaller chunks ...
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Xcode iOS project only shows “My Mac 64-bit” but not simulator or device

... it out. I had to edit the scheme (Product->Scheme->Edit Scheme...), and for some reason no executable was selected. I chose my app, saved and now I have my simulator and device options back. share | ...
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Getting rid of \n when using .readlines() [duplicate]

...of data. So tab-separated values is a circumstance where that would be bad and if stated that way, this answer would never be my recommendation. – hughdbrown Jun 3 '18 at 19:18 ...
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How to require a fork with composer

... The most common (and easier) way of doing it is using a VCS repository. All you have to do is add your fork as a repository and update the version constraint to point to your custom branch. Your custom branch name must be prefixed wit...
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Strings as Primary Keys in SQL Database [closed]

I am not very familiar with databases and the theories behind how they work. Is it any slower from a performance standpoint (inserting/updating/querying) to use Strings for Primary Keys than integers? ...
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Disable HttpClient logging

...egration test suite. The default logging for HttpClient is extremely noisy and I can't seem to turn it off. I've tried following the instructions here but none of them make any difference. ...
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Eclipse jump to closing brace

... Place the cursor next to an opening or closing brace and punch Ctrl + Shift + P to find the matching brace. If Eclipse can't find one you'll get a "No matching bracket found" message. edit: as mentioned by Romaintaz below, you can also get Eclipse to auto-select all of the cod...