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MySQL/SQL: Group by date only on a Datetime column
Having a table with a column like: mydate DATETIME ...
4 Answers
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Shallow copy of a Map in Java
... couple of ways (maybe others as well) to create a shallow copy of a Map in Java:
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Check a collection size with JSTL
...st="${companies.size() > 0}">
</c:if>
This syntax works only in EL 2.2 or newer (Servlet 3.0 / JSP 2.2 or newer). If you're facing a XML parsing error because you're using JSPX or Facelets instead of JSP, then use gt instead of >.
<c:if test="${companies.size() gt 0}">
</c...
Batch not-equal (inequality) operator
According to this , !==! is the not-equal string operator.
Trying it, I get:
5 Answers
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RegEx: Smallest possible match or nongreedy match
How do I tell RegEx (.NET version) to get the smallest valid match instead of the largest?
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How to merge a list of lists with same type of items to a single list of items?
The question is confusing, but it is much more clear as described in the following codes:
4 Answers
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Boolean vs tinyint(1) for boolean values in MySQL
What column type is best to use in a MySQL database for boolean values? I use boolean but my colleague uses tinyint(1) .
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What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
Using Microsoft Excel 2010, I noticed two kind of controls that can be inserted into a document: Form Controls and ActiveX Controls .
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Case preserving substitute in Vim
Can this can be done in Vim?
6 Answers
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Ruby on Rails: How do I add placeholder text to a f.text_field?
...ields so that the text comes pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text?
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