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Importance of varchar length in MySQL table

... No, in the sense that if the values you're storing in that column are always (say) less than 50 characters, declaring the column as varchar(50) or varchar(200) has the same performance. ...
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Format a date using the new date time API

...ds of temporal objects. JSR-310 has choosen another way, namely to allow different temporal types which consist of type-specific sets of supported built-in fields. The natural consequence is that not every possible field is supported by every type (and users can even define their own specialized fi...
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How to move columns in a MySQL table?

... If empName is a VARCHAR(50) column: ALTER TABLE Employees MODIFY COLUMN empName VARCHAR(50) AFTER department; EDIT Per the comments, you can also do this: ALTER TABLE Employees CHANGE COLUMN empName empName VARCHAR(50) A...
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Scrollview vertical and horizontal in android

...sureSpec.makeMeasureSpec(lp.leftMargin + lp.rightMargin, MeasureSpec.UNSPECIFIED); Edit: The Link doesn't work anymore but here is a link to an old version of the blogpost. share | improve this ...
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Why and not taking font-family and font-size from body?

...OS is currently using. You'll have to target the form elements themselves if you want to change their font/text styles - should be easy enough by selecting them though, as you've just done. As far as I know, only form elements are affected. Off the top of my head: input, button, textarea, select. ...
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SQLite - increase value by a certain number

...r all rows): UPDATE Products SET Price = Price + 50 Sample 2 (for a specific row): UPDATE Products SET Price = Price + 50 WHERE ProductID = 1 Sample 3 (generic): UPDATE {Table} SET {Column} = {Column} + {Value} WHERE {Condition} Where: {Table} - table name {Column} - column name {Value} -...
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How do I remove the blue styling of telephone numbers on iPhone/iOS?

...erlink colour from a telephone number when viewed on an iPhone? Like a specific Mobile Safari tag or CSS to add? 20 Answers...
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How comment a JSP expression?

... Pure JSP comments look like this: <%-- Comment --%> So if you want to retain the "=".you could do something like: <%--= map.size() --%> The key thing is that <%= defines the beginning of an expression, in which you can't leave the body empty, but you could do somethin...
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Scroll to bottom of div?

... This is much easier if you're using jQuery scrollTop: $("#mydiv").scrollTop($("#mydiv")[0].scrollHeight); share | improve this answer ...
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Force TextBlock to wrap in WPF ListBox

...The problem might not be located in the ListBox. The TextBlock won't wrap, if one of the parent controls provides enough space, so that it hasn't the need to wrap. This might be caused by a ScrollViewer control. share ...