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add column to mysql table if it does not exist
... database()
and COLUMN_NAME = 'original_data'
AND table_name = 'mytable';
set @query = IF(@exist <= 0, 'alter table intent add column mycolumn4 varchar(2048) NULL after mycolumn3',
'select \'Column Exists\' status');
prepare stmt from @query;
EXECUTE stmt;
...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
I use
Rails 3.0.20 and
ruby 1.8.7 (2011-06-30 patchlevel 352)
4 Answers
4
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How to programmatically set maxLength in Android TextView?
I would like to programmatically set maxLength property of TextView as I don't want to hard code it in the layout. I can't see any set method related to maxLength .
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Suppress warning messages using mysql from within Terminal, but password written in bash script
...NING message are using the mysql_config_editor tools:
mysql_config_editor set --login-path=local --host=localhost --user=username --password
Then you can use in your shell script:
mysql --login-path=local -e "statement"
Instead of:
mysql -u username -p pass -e "statement"
...
Difference between numpy.array shape (R, 1) and (R,)
...rn in shape (R, 1) but some return (R,) . This will make matrix multiplication more tedious since explicit reshape is required. For example, given a matrix M , if we want to do numpy.dot(M[:,0], numpy.ones((1, R))) where R is the number of rows (of course, the same issue also occurs column...
Opacity of div's background without affecting contained element in IE 8?
I want to set Opacity of div's background without affecting contained element in IE 8. have a any solution and don't answer to set 1 X 1 .png image and set opacity of that image because I am using dynamic opacity and color admin can change that
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How to spyOn a value property (rather than a method) with Jasmine
...R adding this feature, they released in April 2017.
so to spy on getters/setters you use:
const spy = spyOnProperty(myObj, 'myGetterName', 'get');
where myObj is your instance, 'myGetterName' is the name of that one defined in your class as get myGetterName() {} and the third param is the type get...
jQuery Date Picker - disable past dates
...
You must create a new date object and set it as minDate when you initialize the datepickers
<label for="from">From</label> <input type="text" id="from" name="from"/> <label for="to">to</label> <input type="text" id="to" name="to"...
Hibernate Criteria returns children multiple times with FetchType.EAGER
...t:
List result = session.createCriteria(Order.class)
.setFetchMode("lineItems", FetchMode.JOIN)
.list();
<class name="Order">
...
<set name="lineItems" fetch="join">
List result = session.createCriteria(Order.class)
...
Execute JavaScript using Selenium WebDriver in C#
How is this achieved? Here it says the java version is:
8 Answers
8
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