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MySQL: Insert record if not exists in table

...y suggesting that you do this, as the UNIQUE index as suggested by Piskvor and others is a far better way to do it, but you can actually do what you were attempting: CREATE TABLE `table_listnames` ( `id` int(11) NOT NULL auto_increment, `name` varchar(255) NOT NULL, `address` varchar(255) NOT...
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How to not wrap contents of a div?

...he buttons are too long, they wrap – one button stays on the first line, and the next button follows underneath it instead of adjacent to it. ...
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CSS: center element within a element

... Set text-align:center; to the parent div, and margin:auto; to the child div. #parent { text-align:center; background-color:blue; height:400px; width:600px; } .block { height:100px; width:200px; text-align:left; } .center { ...
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Create request with POST, which response codes 200 or 201 and content

...he 201 (Created) status code indicates that the request has been fulfilled and has resulted in one or more new resources being created. The primary resource created by the request is identified by either a Location header field in the response or, if no Location field is received, by the effective ...
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How can I shrink the drawable on a button?

... You should use a ImageButton and specify the image in android:src, and set android:scaletype to fitXY Setting scaled drawable in code Drawable drawable = getResources().getDrawable(R.drawable.s_vit); drawable.setBounds(0, 0, (int)(drawable.getIntrins...
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How set background drawable programmatically in Android

...rrect. Another way to achieve it is to use the following: final int sdk = android.os.Build.VERSION.SDK_INT; if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) { layout.setBackgroundDrawable(ContextCompat.getDrawable(context, R.drawable.ready) ); } else { layout.setBackground(ContextComp...
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Clearing purchases from iOS in-app purchase sandbox for a test user

Does anyone have any ideas on how to reset and/or clear the iOS in-app purchase sandbox? 8 Answers ...
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Change Circle color of radio button

... of the circle of RadioButton in one of my project , I could not understand which property to set. The background color I am having is black so it gets invisible. I want to set the color of the circle to white. ...
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How can I simulate an anchor click via jquery?

...idth=300&inlineId=myOnPageContent Change the values of height, width, and inlineId in the query accordingly (inlineID is the ID value of the element that contains the content you would like to show in a ThickBox. Optionally you may add modal=true to the query string (e.g. #TB_inline?height=155...
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CROSS JOIN vs INNER JOIN in SQL

What is the difference between CROSS JOIN and INNER JOIN ? 12 Answers 12 ...