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CSS horizontal centering of a fixed div?

... left: 50%; margin-left: -400px; /* Half of the width */ share | improve this answer | follow ...
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DBMS_OUTPUT.PUT_LINE not printing

...unlimited]. So you'd do something like SQL> set serveroutput on size 30000; SQL> exec print_actor_quotes( <<some value>> ); In SQL Developer, you'd go to View | DBMS Output to enable the DBMS Output window, then push the green plus icon to enable DBMS Output for a particular se...
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Why do you have to call .items() when iterating over a dictionary in Python?

...-- which is a check I believe I may have performed, or wanted to perform, 100 times more rarely than what if k in C actually means, checking the presence of the key only and completely ignoring the value. On the other hand, wanting to loop just on keys is quite common, e.g.: for k in thedict: ...
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Unique constraint on multiple columns

...LL, [scode] [int] NULL, [dcode] [int] NULL, [name] [nvarchar](50) NULL, [address] [nvarchar](50) NULL, CONSTRAINT [PK_user_1] PRIMARY KEY CLUSTERED ( [userID] ASC ), CONSTRAINT [UQ_codes] UNIQUE NONCLUSTERED ( [fcode], [scode], [dcode] ) ) ON ...
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REST API Authentication

...n how to implement: Working Link from comments: https://www.ida.liu.se/~TDP024/labs/hmacarticle.pdf share | improve this answer | follow | ...
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How do I find which transaction is causing a “Waiting for table metadata lock” state?

... 150 SHOW ENGINE INNODB STATUS \G Look for the Section - TRANSACTIONS We can use INFORMATION_SC...
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Get Selected index of UITableView

... answered Oct 27 '10 at 7:45 Chris GummerChris Gummer 4,72211 gold badge2121 silver badges1717 bronze badges ...
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Access string.xml Resource File from Java Android Code

...String arr[] = getResources().getStringArray(R.array.planet); for (int i = 0; i < arr.length; i++) { Toast.makeText(getBaseContext(),arr[i], Toast.LENGTH_LONG).show(); } share | improv...
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Base64 encoding and decoding in client-side Javascript

... Some browsers such as Firefox, Chrome, Safari, Opera and IE10+ can handle Base64 natively. Take a look at this Stackoverflow question. It's using btoa() and atob() functions. For server-side JavaScript (Node), you can use Buffers to decode. If you are going for a cross-browser solut...
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How to align a div to the top of its parent but keeping its inline-block behaviour?

... 380 Try the vertical-align CSS property. #box1 { width: 50px; height: 50px; background:...