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Mutable vs immutable objects
I'm trying to get my head around mutable vs immutable objects. Using mutable objects gets a lot of bad press (e.g. returning an array of strings from a method) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should...
Refresh image with a new one at the same url
...e.jpg?" + new Date().getTime();
This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
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Hosting a Maven repository on github
...k of a small open sourced library that I'm working on on github. I'd like to make it available to other developers via maven, but I don't want to run my own Nexus server, and because it's a fork I can't easily deploy it to oss.sonatype.org.
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No == operator found while comparing structs in C++
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In C++, structs do not have a comparison operator generated by default. You need to write your own:
bool operator==(const MyStruct1& lhs, const MyStruct1& rhs)
{
return /* your comparison code goes here */
}
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How to force garbage collector to run?
Interviewer asked me about this today ...is there an answer ?
7 Answers
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Is there a way to “autosign” commits in Git with a GPG key?
Is there an easy way to make Git always signs each commit or tag that is created?
5 Answers
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How to refresh Android listview?
How to refresh an Android ListView after adding/deleting dynamic data?
25 Answers
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What is a “web service” in plain English?
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This explanation is good, but what breaks ability to consume the random integer by other program from HTML? There are plenty of libraries to read HTML and this is the same as reading XML for me, and almost same as reading JSON. I know this post very old, though comment pleas...
Git push existing repo to a new and different remote repo server?
Say I have a repository on git.fedorahosted.org and I want to clone this into my account at github to have my own playground aside from the more "official" repo on fedorahosted.
What would be the steps to initially copy that over?
Within github there is this nice "fork" button, but I can't use thi...
What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
...ethod's description because the preferred approach (as of API level 11) is to instantiate PreferenceFragment objects to load your preferences from a resource file. See the sample code here: PreferenceActivity
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