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Checking out Git tag leads to “detached HEAD state”
I'm developing a deployment script for my git project and I just started using tags. I've added a new tag called v2.0 :
2 ...
How do I check if a SQL Server text column is empty?
I am using SQL Server 2005. I have a table with a text column and I have many rows in the table where the value of this column is not null, but it is empty. Trying to compare against '' yields this response:
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Dynamically Changing log4j log level
...ife cyle of the Logger. On reinitialization the configuration will be read and used as setting the level at runtime does not persist the level change.
UPDATE: If you are using Log4j 2 you should remove the calls to setLevel per the documentation as this can be achieved via implementation classes.
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How to scroll to an element inside a div?
I have a scrolled div and I want to have an event when I click on it, it will force this div to scroll to view an element inside.
I wrote its JavasSript like this:
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Index on multiple columns in Ruby on Rails
...:user_id, :article_id], you can perform a fast query on user_id or user_id AND article_id, but NOT on article_id.
Your migration add_index line should look something like this:
add_index :user_views, [:user_id, :article_id]
Question regarding 'unique' option
An easy way to do this in Rails ...
How to force a line break in a long word in a DIV?
...ern browser. IE, being a dead browser, will forever rely on the deprecated and non-standard word-wrap instead.
Existing uses of word-wrap today still work as it is an alias for overflow-wrap per the specification.
share
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Exception NoClassDefFoundError for CacheProvider
I'm kind of new in Spring and hibernate so I'm trying to implement some simple web application based on Spring 3 + hibernate 4
while I start tomcat I have this exception:
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Formatting Decimal places in R
...number of decimal places are displayed. This is often done for consistency and standardisation purposes rather than being concerned with significant figures.
Solution:
The following code shows exactly two decimal places for the number x.
format(round(x, 2), nsmall = 2)
For example:
format(roun...
Is it possible to use getters/setters in interface definition?
...ecify the property on the interface, but you can't enforce whether getters and setters are used, like this:
interface IExample {
Name: string;
}
class Example implements IExample {
private _name: string = "Bob";
public get Name() {
return this._name;
}
public set Name...
Rails I18n validation deprecation warning
I just updated to rails 4.0.2 and I'm getting this warning:
5 Answers
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