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Is returning null bad design? [closed]
... getItems(); // Could potentially return null.
// Two possible code paths now so harder to test.
if (c != null) {
for (Item item : c) {
// Process item.
}
}
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When should I use malloc in C and when don't I?
... char array ( a variable) and some_memory points to that allocated memory. Now this array is both read and write. You can now do:
some_memory[0] = 'h';
and the array contents change to "hello World"
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How do I split a string on a delimiter in Bash?
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now after the fix applied, only within the duration of the read command :)
– Johannes Schaub - litb
May 28 '09 at 3:04
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Apache Kafka vs Apache Storm
...ions on real time data in parallel.
The common flow of these tools (as I know it) goes as follows:
real-time-system --> Kafka --> Storm --> NoSql --> BI(optional)
So you have your real time app handling high volume data, sends it to Kafka queue. Storm pulls the data from kafka and app...
Android Studio with Google Play Services
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This worked for me and is very easy. It already knows the latest play-services version number -- you just select it from a list, and the gradle file is modified for you!
– Nick Perkins
Oct 12 '14 at 15:50
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How can I mock dependencies for unit testing in RequireJS?
...ems like it's only working if I mock out all of the dependencies. Do you know of a way to return the mock objects if they are there, but fallback to retrieving from the actual .js file if a mock is not provided? I've been trying to dig through the require code to figure it out, but I'm getting a l...
TortoiseGit save user authentication / credentials
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Neat. Now how do I use it?
– BlueRaja - Danny Pflughoeft
Aug 16 '13 at 1:59
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Determine file creation date in Java
...n time and discusses obtaining it via the new nio classes - it seems right now in JDK7's implementation you're out of luck. Addendum: same behaviour is in OpenJDK7.
On Unix filesystems you cannot retrieve the creation timestamp, you simply get a copy of the last modification time. So sad, but unfor...
Can you control how an SVG's stroke-width is drawn?
... browser versions) but it does accurately provide a shapes outer width for now.
– Steve
Sep 2 '11 at 10:02
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How to make a HTML Page in A4 paper size page(s)?
...ng and will already be able to display a website based on the print CSS.
Now, you'll want to make the web display look a bit different and adapt the whole design to fit most browsers too (including the old, pre 2005 ones). For that, you'll have to create a web CSS file or override some parts of yo...