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Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
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Notification passes old Intent Extras
...vity(context, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
From the doc for PendingIntent.FLAG_UPDATE_CURRENT:
If the described PendingIntent already exists, then keep it but replace its extra data with what is in this new Intent. This can be used if you are creating intents wher...
How to find unused/dead code in java projects [closed]
...anguage which could do MUCH better. With a staticly typed language (aside from reflection) you can know for sure exactly which methods are used and which are not, this is one of the biggest advantages of a statically typed language and you should use it rather than the fallable method as described ...
What's the deal with a leading underscore in PHP class methods?
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It's from the bad old days of Object Oriented PHP (PHP 4). That implementation of OO was pretty bad, and didn't include things like private methods. To compensate, PHP developers prefaced methods that were intended to be private...
How to bind 'touchstart' and 'click' events but not respond to both?
...ssume they had used a keyboard to click the item, and trigger the function from there.
– DA.
Sep 23 '11 at 15:26
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Go Error Handling Techniques [closed]
...ighly controversial topic. Luckily there are dozens of languages to choose from.
– fuz
Jun 6 '13 at 14:22
4
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Abort a git cherry-pick?
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You can do the following
git cherry-pick --abort
From the git cherry-pick docs
--abort
Cancel the operation and return to the pre-sequence state.
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Trusting all certificates using HttpClient over HTTPS
...lusion is as follows.
In HttpClient way, you should create a custom class from org.apache.http.conn.ssl.SSLSocketFactory, not the one org.apache.http.conn.ssl.SSLSocketFactory
itself. Some clues can be found in this post Custom SSL handling stopped working on Android 2.2 FroYo.
An example is like...
What is the equivalent of MATLAB's repmat in NumPy
...n the direction of columns, rows and out-of-plane dimension are being read from right to left. The resulting object has a different shape from Matlab. One can no longer assert that repmat and tile are equivalent instructions.
In order to get tile to behave like repmat, in Python one has to make s...
The name does not exist in the namespace error in XAML
...roperties
A new dialog is opened, try to change the project configurations from Debug to Release or vice versa.
After that, re-build your solution. It can solve your problem.
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