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What is the “Execute Around” idiom?
...e Java as an example even though the pattern isn't platform-specific.
The idea is that sometimes you have code that always involves the same boilerplate before you run the code and after you run the code. A good example is JDBC. You always grab a connection and create a statement (or prepared sta...
Can't find @Nullable inside javax.annotation.*
...If anyone has this issue when building a Maven project created in IntelliJ IDEA externally, I used the following dependency instead of the answer:
<dependency>
<groupId>org.jetbrains</groupId>
<artifactId>annotations</artifactId>
<version>15.0</version&g...
How update the _id of one MongoDB Document?
...ed field. You could fix this by doing the delete first, but that is a bad idea because if your insert fails for some reason your data is now lost. You must instead drop your index, perform the work, then restore the index.
– skelly
Jun 2 '14 at 19:52
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What is the JavaScript convention for no operation?
...ssarily a function you need to give, and giving it the noop name is a good idea so you're telling your readers (and that may be you in 6 months) that you purposely give an empty function.
In the end, there's no such thing as "inferior" or "superior" code structure. You're either right or wrong in t...
How to extract the decision rules from scikit-learn decision-tree?
...sing tree_.threshold == -2 to decide whether a node is a leaf isn't a good idea. What if it's a real decision node with a threshold of -2? Instead, you should look at tree.feature or tree.children_*.
The line features = [feature_names[i] for i in tree_.feature] crashes with my version of sklearn, be...
How do I create a new class in IntelliJ without using the mouse?
...to just type the class name in the existing code where you want to use it, IDEA will highlight it in red as it doesn't exist yet, then press Alt+Enter for the Intention Actions pop-up, choose Create Class.
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When should one use final for method parameters and local variables?
...ot notice the benefits unless you use a truly modern Java IDE, though (ie, IDEA).
– Rogério
Jan 12 '10 at 1:44
10
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How to call asynchronous method from synchronous method in C#?
...od is already running in that context.
This is one reason why it's a good idea to use ConfigureAwait(false) within every async method as much as possible.
Solution C
AsyncContext.RunTask won't work in every scenario. For example, if the async method awaits something that requires a UI event to comp...
Git ignore file for Xcode projects
...in "xccheckout" line - thanks to @lyck for pointing it out!
# - Fixed the .idea optional ignore. Thanks to @hashier for pointing this out
# - Finally added "xccheckout" to the ignore. Apple still refuses to answer support requests about this, but in practice it seems you should ignore it.
# - minor ...
Scala vs. Groovy vs. Clojure [closed]
... work we have a codebase of 11 milions lines of Scala, which is not a good idea but it works.
– Joan
Mar 8 '16 at 14:25
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