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Any reason to prefer getClass() over instanceof when generating .equals()?
I'm using Eclipse to generate .equals() and .hashCode() , and there is an option labeled "Use 'instanceof' to compare types". The default is for this option to be unchecked and use .getClass() to compare types. Is there any reason I should prefer .getClass() over instanceof ?
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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:
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Detecting Unsaved Changes
I have a requirement to implement an "Unsaved Changes" prompt in an ASP .Net application. If a user modifies controls on a web form, and attempts to navigate away before saving, a prompt should appear warning them that they have unsaved changes, and give them the option to cancel and stay on the cu...
How to replace a string in multiple files in linux command line
I need to replace a string in a lot of files in a folder, with only ssh access to the server. How can I do this?
25 Answe...
Xcode - ld: library not found for -lPods
I get these errors when I try to build an iOS application.
22 Answers
22
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Using semicolon (;) vs plus (+) with exec in find
... -exec ls '{}' \+), as many filenames as possible are passed as arguments to a single command:
ls file1 file2 file3
The number of filenames is only limited by the system's maximum command line length. If the command exceeds this length, the command will be called multiple times.
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Why is “copy and paste” of code dangerous? [closed]
Sometimes, my boss will complain to us:
18 Answers
18
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MySQL Data - Best way to implement paging?
My iPhone app connects to my PHP web service to retrieve data from a MySQL database. A request can return 500 results.
7 An...
PHP - Get bool to echo false when false
...nefit. I've been programming for 20+ years and never have I wanted 'false' to auto-convert to blank.. null many times, but never 'false'. My Java/Spring/Hibernate development is so so so much cleaner & stronger than even modest PHP systems. I could find plenty of people who were confused.. stack...
push multiple elements to array
I'm trying to push multiple elements as one array, but getting error
9 Answers
9
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