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invalid context 0x0 under iOS 7.0 and system degradation
...lling Xcode 5.1 and targeting iOS 7.1, I can no longer reproduce the error by double tapping inside an empty text field.
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Remove duplicates in the list using linq
... name comparisons. I wrote a new one last month, to do something that GroupBy could not.
– Christian Hayter
Aug 19 '13 at 7:22
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How to set the maximum memory usage for JVM?
I want to limit the maximum memory used by the JVM. Note, this is not just the heap, I want to limit the total memory used by this process.
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Red black tree over avl tree
...d forms of rank-balanced trees but red-black trees are consistently slower by about 20% in real world tests. Or even 30-40% slower when sequential data is inserted.
So people who have studied red-black trees but not AVL trees tend to choose red-black trees. The primary uses for red-black trees are...
How to declare variable and use it in the same Oracle SQL script?
... SAL
---------- ----------
CLARKE 800
ROBERTSON 2975
RIGBY 3000
KULASH 1100
GASPAROTTO 3000
SQL>
When we're writing a script which calls other scripts it can be useful to DEFine the variables upfront. This snippet runs without prompting me to enter...
Database design for audit logging
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One method that is used by a few wiki platforms is to separate the identifying data and the content you're auditing. It adds complexity, but you end up with an audit trail of complete records, not just listings of fields that were edited that you t...
Zoom in on a point (using scale and translate)
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So really you can just pan over down and to the right when you zoom in, by a factor of how much you zoomed in, relative to the point you zoomed at.
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What is the difference between typeof and instanceof and when should one be used vs. the other?
...es chain of an object. In most cases this mean that the object was created by using this constructor or on of its descendant. But also prototype may be set explicitly by Object.setPrototypeOf() method (ECMAScript 2015) or by the __proto__ property (old browsers, deprecated). Changing the prototype o...
Changing .prop using jQuery does not trigger .change event
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Change event is fired when the value is changed by users interaction on page and not when value is modified using code.
Here you need to use .change() or .trigger("change") after changing the property:
$('input[type="checkbox"][name="something"]').prop("checked", false)....
Are there any disadvantages to always using nvarchar(MAX)?
...able growth of data
Possible security issues e.g. you could crash a system by taking up all disk space
There is good article here:
http://searchsqlserver.techtarget.com/tip/1,289483,sid87_gci1098157,00.html
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