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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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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...
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"
...
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"...
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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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)
...