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Inputting a default image in case the src attribute of an html is not valid?
...
<body>
<p>
<object data="http://stackoverflow.com/does-not-exist.png" type="image/png">
<img src="https://cdn.sstatic.net/Img/unified/sprites.svg?v=e5e58ae7df45" alt="Stack Overflow logo and icons and such">
</object>
</p>
</body...
@synthesize vs @dynamic, what are the differences?
...erate getter and setter methods for your property.
@dynamic just tells the compiler that the getter and setter methods are implemented not by the class itself but somewhere else (like the superclass or will be provided at runtime).
Uses for @dynamic are e.g. with subclasses of NSManagedObject (Core...
How to group dataframe rows into list in pandas groupby?
... reduce'. Then I used tuplefollowing the second answer here: stackoverflow.com/questions/19530568/… . See second answer in stackoverflow.com/questions/27439023/… for explanation.
– Andarin
Jun 24 '16 at 10:54
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How can I get the URL of the current tab from a Google Chrome extension?
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url is undefined because stackoverflow.com/questions/28786723/… (answer: close your dev tools window or change to currentWindow instead of lastFocusedWindow)
– kspearrin
Sep 14 '16 at 3:01
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How does deriving work in Haskell?
Algebraic Data Types (ADTs) in Haskell can automatically become instances of some typeclasse s (like Show , Eq ) by deriving from them.
...
Casperjs/PhantomJs vs Selenium
...ey are attacking different problems. Since PhantomJS runs perfectly on the command-line, it is suitable as the first layer of smoke testing, whether as part of development workflow and/or in a continuous integration server. Selenium targets multiple browsers and hence it is very useful to ensure cro...
Merge (with squash) all changes from another branch as a single commit
... to merge all changes from one branch into another, but squash to a single commit at the same time?
7 Answers
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Difference between “@id/” and “@+id/” in Android
...lso no negative runtime effect (possibly an unmeasurably small increase in compile time though ^^).
– Levite
Feb 19 '15 at 7:41
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show 3 mor...
JQuery - $ is not defined
...all properly, it should looks like
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
and shouldn't have attributes async or defer.
Then you should check the Firebug net panel to see if the file is actually being loaded prop...