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When do items in HTML5 local storage expire?

...okies. I am using it in conjunction with pieroxy.net/blog/pages/lz-string/index.html. – Peter Smartt Apr 13 '16 at 6:22 ...
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INNER JOIN vs LEFT JOIN performance in SQL Server

... problems lie elsewhere, such as not having a candidate key or foreign key indexed properly. 9 tables is quite a lot to be joining so the slowdown could literally be almost anywhere. If you post your schema, we might be able to provide more details. Edit: Reflecting further on this, I could th...
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Focus Next Element In Tab Index

...Do not forget the "." class selector prefix in the code below) var lastTabIndex = 10; function OnFocusOut() { var currentElement = $get(currentElementId); // ID set by OnFOcusIn var curIndex = currentElement.tabIndex; //get current elements tab index if(curIndex == lastTabIndex) { //if ...
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Grasping the Node JS alternative to multithreading

...l so it can perform blocking operations and notify the main thread with a callback or event when things complete. So I imagine that it will make limited use of another core for the thread pool, for example if you do a non-blocking file system read this is likely implemented by telling a thread fro...
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Select Pandas rows based on list index

... List = [1, 3] df.ix[List] should do the trick! When I index with data frames I always use the .ix() method. Its so much easier and more flexible... UPDATE This is no longer the accepted method for indexing. The ix method is deprecated. Use .iloc for integer based indexing and ...
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Why do we use __init__ in Python classes?

...s MyInteger: def __init__(self, newvalue) # imagine self as an index card. # under the heading of "value", we will write # the contents of the variable newvalue. self.value = newvalue def add(self, other): # when an integer wants to add itself to anoth...
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Can't import my own modules in Python

...'re serious about the package, you could even add it to the Python Package Index, PyPI. share | improve this answer | follow | ...
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From an array of objects, extract value of a property as array

...r the JS only solutions, I've found that, inelegant as it may be, a simple indexed for loop is more performant than its alternatives. Extracting single property from a 100000 element array (via jsPerf) Traditional for loop 368 Ops/sec var vals=[]; for(var i=0;i<testArray.length;i++){ vals.p...
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How do I access an access array item by index in handlebars?

I am trying to specify the index of an item in an array within a handlebars template: 9 Answers ...
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]

...I.rows AS [ROWCOUNT] FROM sys.tables AS T INNER JOIN sys.sysindexes AS I ON T.object_id = I.id AND I.indid < 2 ORDER BY I.rows DESC – Muhammad Sohail May 25 '18 at 5:07 ...