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Closing Database Connections in Java
...ose your ResultSet, Statement, and Connection (in that order) in a finally block when you are done with them, something like that:
Connection conn = null;
PreparedStatement ps = null;
ResultSet rs = null;
try {
// Do stuff
...
} catch (SQLException ex) {
// Exception handling stuff
...
Detect blocked popup in Chrome
I am aware of javascript techniques to detect whether a popup is blocked in other browsers (as described in the answer to this question ). Here's the basic test:
...
Fat models and skinny controllers sounds like creating God models [closed]
...rcing law and order on large scale applications.
For people who are using PHP as primary language, this post might be relevant. It's a bit longer description of the model layer with a few snippets of code.
share
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How can I wrap or break long text/word in a fixed width span?
...k words if they are too long for your span width.
span {
display:block;
width:150px;
word-wrap:break-word;
}
<span>VeryLongLongLongLongLongLongLongLongLongLongLongLongExample</span>
sh...
Disable cache for some images
I generate some images using a PHP lib.
13 Answers
13
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代码块测试 - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
<xml xmlns="http://www.w3.org/1999/xhtml"><block type="component_event" id="v=f9{T,j}`%n4Ix;zwlz" x="20" y="40"><mutation component_type="Form" is_generic="false" instance_name="Screen1" event_name="...
CSS text-overflow: ellipsis; not working?
...ix this by doing one of the following:
Set the element to display:inline-block or display:block (probably the former, but depends on your layout needs).
Set one of its container elements to display:block and give that element a fixed width or max-width.
Set the element to float:left or float:right...
Prevent linebreak after
...
display:inline;
OR
float:left;
OR
display:inline-block; -- Might not work on all browsers.
What is the purpose of using a div here? I'd suggest a span, as it is an inline-level element, whereas a div is a block-level element.
Do note that each option above will work dif...
How do you get centered content using Twitter Bootstrap?
...nter
Bootstrap 3
text-center is used for display:inline elements
center-block to center display:block elements
col-*offset-* to center grid columns
see this answer to center the navbar
Demo Bootstrap 3 Horizontal Centering
Bootstrap 4
text-center is still used for display:inline elements
mx-...
How to detect Adblock on my website?
I would like to be able to detect if the user is using adblocking software when they visit my website. If they are using it, I want to display a message asking them to turn it off in order to support the project, like this website does.
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