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What is the difference between jQuery: text() and html() ?

...t;/b>'); }); </script> </head> <body> <div id="div1"></div> <div id="div2"></div> </body> </html> A difference that may not be so obvious is described in the jQuery API documentation In the documentation for .html(): The .html(...
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Android - border for button

...ow code <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle"> <gradient android:startColor="#FFFFFF" android:endColor="#00FF00" android:angle="270" /> <corners android:radius="3dp" /&gt...
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How does the “this” keyword work?

... JavaScript code that is evaluated at the top-level, e.g. when directly inside a <script>: <script> alert("I'm evaluated in the initial global execution context!"); setTimeout(function () { alert("I'm NOT evaluated in the initial global execution context."); }, 1); </scri...
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Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it

...ectly in the serialport1_DataReceived method, use this pattern: delegate void SetTextCallback(string text); private void SetText(string text) { // InvokeRequired required compares the thread ID of the // calling thread to the thread ID of the creating thread. // If these threads are different...
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What is the difference between DAO and Repository patterns?

...Repository is an abstraction of a collection of objects. DAO would be considered closer to the database, often table-centric. Repository would be considered closer to the Domain, dealing only in Aggregate Roots. Repository could be implemented using DAO's, but you wouldn't do the opposite. Al...
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Update or Insert (multiple rows and columns) from subquery in PostgreSQL

... as col2, t3.foobar as col3 FROM table2 t2 INNER JOIN table3 t3 ON t2.id = t3.t2_id WHERE t2.created_at > '2016-01-01' ) AS subquery WHERE table1.id = subquery.col1; share | improve thi...
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How to filter Pandas dataframe using 'in' and 'not in' like in SQL

... Series.isin accepts various types as inputs. The following are all valid ways of getting what you want: df['countries'].isin(c1) 0 False 1 True 2 False 3 False 4 True Name: countries, dtype: bool # `in` operation df[df['countries'].isin(c1)] countries 1 UK 4 Ch...
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How do I parse JSON with Objective-C?

...NSClassFromString(@"NSJSONSerialization")) { NSError *error = nil; id object = [NSJSONSerialization JSONObjectWithData:returnedData options:0 error:&error]; if(error) { /* JSON was malformed, act appropriately here */...
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Safe String to BigDecimal conversion

...e it looks very odd when people have pointed out why your original answer didn't make any sense. :-) – T.J. Crowder Sep 20 '10 at 15:03 1 ...
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Python `if x is not None` or `if not x is None`?

... of the if not x is None version to be more clear, but Google's style guide and PEP-8 both use if x is not None . Is there any minor performance difference (I'm assuming not), and is there any case where one really doesn't fit (making the other a clear winner for my convention)?* ...