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How do I remove blank elements from an array?
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511
There are many ways to do this, one is reject
noEmptyCities = cities.reject { |c| c.empty? }
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How to check size of a file using Bash?
...n easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case.
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Restrict varchar() column to specific values?
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128
Have you already looked at adding a check constraint on that column which would restrict value...
How to add a filter class in Spring Boot?
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162
If you want to setup a third-party filter you can use FilterRegistrationBean.
For example the ...
delete_all vs destroy_all?
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edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Jul 14 '11 at 18:36
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Syntax of for-loop in SQL Server
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216
T-SQL doesn't have a FOR loop, it has a WHILE loop
WHILE (Transact-SQL)
WHILE Boolean_expressi...
Gradle alternate to mvn install
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174
sdk/build.gradle:
apply plugin: "maven"
group = "foo"
version = "1.0"
example/build.gradle...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
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581
They take up different amounts of space and they have different ranges of acceptable values.
He...
Add new value to an existing array in JavaScript [duplicate]
...ular javascript
var arr = new Array();
// or var arr = [];
arr.push('value1');
arr.push('value2');
Note: In javascript, you can also use Objects as Arrays, but still have access to the Array prototypes. This makes the object behave like an array:
var obj = new Object();
Array.prototype.push.call...