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MySQL: Can't create table (errno: 150)

... child table InnoDB engine. Current create.sql script was using InnoDB for all tables, but I had very very old installation where first script used MyISAM. – Whome Apr 8 '13 at 9:50 ...
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do you have kcachegrind like profiling tools for mac [closed]

... I ended up using qcachegrind on OSX. It can be installed via brew brew install qcachegrind or, to enable graphviz support: brew install qcachegrind --with-graphviz What's great about this program is that I successfully loaded a 6.1GB cachegrind file on my MacBook Pro! P...
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Get the IP address of the remote host

... This solution also covers Web API self-hosted using Owin. Partially from here. You can create a private method in you ApiController that will return remote IP address no matter how you host your Web API: private const string HttpContext = "MS_HttpContext"; private const string Remote...
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Is this a “good enough” random algorithm; why isn't it used if it's faster?

I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part. ...
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How do I cancel form submission in submit button onclick event?

...r jQuery) that has a good event handling API and tie into the event that really matters (i.e. the form's submit event instead of the button's click event). share | improve this answer | ...
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Can I grep only the first n lines of a file?

... Is there a way to do this when using grep's -l option? I'd like to list all the files who's first 5 characters are RIFFD. – James M. Lay May 23 '17 at 19:20 add a comment ...
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How to find SQL Server running port?

... -n" (from an elevated command prompt) and you don't see "sqlservr.exe" at all then either your SQL Server service is not running or its TCP/IP network library is disabled. Run SQL Server Configuration Manager (Start | All Programs | Microsoft SQL Server 2008 | Configuration Tools). Navigate to SQ...
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How do I escape a single quote ( ' ) in JavaScript? [duplicate]

... "onmouseover" attribute is just change(, and there's another "attribute" called ex1')' with no value. The truth is, HTML does not use \ for an escape character. But it does recognise " and ' as escaped quote and apostrophe, respectively. Armed with this knowledge, use this: doc...
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When to use AtomicReference in Java?

...ke the key to needing this is because you need to do a "compareAndSet". If all I needed to do was set I wouldn't need the AtomicObject at all because of reference updates themselves being atomic? – sMoZely Jan 20 '13 at 21:46 ...
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Comparing boxed Long values 127 and 128

... If the data type of above variable is primitive (long) then code work for all values. Java caches Integer objects instances from the range -128 to 127. That said: If you set to N Long variables the value 127 (cached), the same object instance will be pointed by all references. (N variables, 1 i...