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How to drop columns using Rails migration
...ange method that can be reverted* you'll need to inform the data type (and all other field modifiers), so if you rollback that migration, the field can be correctly recreated. * When I say reverted, that's in terms of database structure, of course, data from that column obviously will be lost.
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Lock Android phone application to Portrait mode
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Do i need to add this to all the activities to lock it ?
– Harsha M V
Jan 12 '13 at 10:43
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How to set background color of an Activity to white programmatically?
How can I set the background color of an Activity to white programatically?
11 Answers
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How to use subprocess popen Python
...value, to be filled by untrusted user supplied data. But I am prepared to call a truce on that item. My point was more that there is no reason not to use shell=True except when using untrusted input. Simply stating that shell=True is not recommended is misleading.
– Hans Then
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How can I find out if I have Xcode commandline tools installed?
..., not /usr/build. In fact xcodebuild should be enough since /usr/bin is usually in your PATH.
– Samuel Lelièvre
Jul 25 at 19:18
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Best way to parseDouble with comma as decimal separator?
...tring contained non-parsable characters. In some situations that might actually be desirable, but I don't think it's usually the desired behavior.
– E-Riz
Jan 17 '13 at 19:37
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How do I right align div elements?
...hey no longer follow each other and instead are next to each other horizontally?, heres the code I have so far, I want the form to follow directly after the button on the right with no space in between.
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How to set up fixed width for ?
... you can apply this only in the <head> in each <th> tag and all rows will match
– Diego Fernando Murillo Valenci
Apr 20 '15 at 20:48
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How to read values from properties file?
...snt work, you can define a bean with properties, inject and process it manually:
<bean id="myProperties"
class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="locations">
<list>
<value>classpath*:my.properties</value>...
How to change highlighted occurrences color in Eclipse's sidebar?
...Eclipse, placing the cursor on any type/variable/method/etc will highlight all occurrences in the text editor and place a faint bar in the right ruler to show you the location of other occurrences in the file.
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