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Does adding a duplicate value to a HashSet/HashMap replace the previous value
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In the case of HashMap, it replaces the old value with the new one.
In the case of HashSet, the item isn't inserted.
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Is it possible in Java to access private fields via reflection [duplicate]
Is it possible in Java to access private field str via reflection?
For example to get value of this field.
3 Answers
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How to handle screen orientation change when progress dialog and background thread active?
My program does some network activity in a background thread. Before starting, it pops up a progress dialog. The dialog is dismissed on the handler. This all works fine, except when screen orientation changes while the dialog is up (and the background thread is going). At this point the app either c...
UITableView didSelectRowAtIndexPath: not being called on first tap
I'm having an issue with UITableView's didSelectRowAtIndexPath .
16 Answers
16
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Getting a list of associative array keys
...onary);
console.log(keys);
See reference below for browser support. It is supported in Firefox 4.20, Chrome 5, and Internet Explorer 9. Object.keys() contains a code snippet that you can add if Object.keys() is not supported in your browser.
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How to add onload event to a div element
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No, you can't. The easiest way to make it work would be to put the function call directly after the element
Example:
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<div id="somid">Some content</div>
<script type="text/javascript">
oQuickReply.swap('somid');
</script>
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or ...
IllegalMonitorStateException on wait() call
...r my program.
I have run thread successfully but when I am using Thread.wait() , it is throwing java.lang.IllegalMonitorStateException .
How can I make a thread wait until it will be notified?
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How to disable GCC warnings for a few lines of code
In Visual C++, it's possible to use #pragma warning (disable: ...) . Also I found that in GCC you can override per file compiler flags . How can I do this for "next line", or with push/pop semantics around areas of code using GCC?
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npm global path prefix
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Extending your PATH with:
export PATH=/usr/local/share/npm/bin:$PATH
isn't a terrible idea. Having said that, you shouldn't have to do it.
Run this:
npm config get prefix
The default on OS X is /usr/local, which means that npm will syml...
invalid byte sequence for encoding “UTF8”
...s some invalid UTF8 data in your source file. That means that the copy utility has detected or guessed that you're feeding it a UTF8 file.
If you're running under some variant of Unix, you can check the encoding (more or less) with the file utility.
$ file yourfilename
yourfilename: UTF-8 Unicode ...