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What is the best way to implement nested dictionaries?
...ython?
This is a bad idea, don't do it. Instead, use a regular dictionary and use dict.setdefault where apropos, so when keys are missing under normal usage you get the expected KeyError. If you insist on getting this behavior, here's how to shoot yourself in the foot:
Implement __missing__ on a di...
How do I turn a String into a InputStreamReader in java?
.... That wrong version number is especially weird as Java 1.4 introduced NIO and it makes little sense to introduce an API and its conceptional successor within the same version.
– Holger
Mar 31 '15 at 11:00
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Does Java have a HashMap with reverse lookup?
...okup in both directions. Is there a name for this type of data structure, and is anything like this included in Java's standard libraries? (or maybe Apache Commons?)
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Make EditText ReadOnly
... to make a read-only EditText view. The XML to do this code seems to be android:editable="false" , but I want to do this in code.
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What are the most common non-BMP Unicode characters in actual use? [closed]
... at statistics of text usage on the Web from the Common Crawl, by the way, and found that emoji are also the most common non-BMP characters on the Web now. They're not as common as on Twitter, of course. ???? is still the most common one.
– rspeer
Aug 12 '15 at...
How do I enlarge an EER Diagram in MySQL Workbench?
I am working on a moderately complex schema in MySQL Workbench, and the single page of the EER diagram is now full up. Does anyone know how to enlarge it to two or more pages?
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What are enums and why are they useful?
Today I was browsing through some questions on this site and I found a mention of an enum being used in singleton pattern about purported thread safety benefits to such solution.
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iOS Simulator failed to install the application
...oblem
Deleting contents of ~/Library/Application Support/iPhone Simulator and re-run the project solved this problem.
or you can simply reset content and setting of the simulator.
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How do you install Boost on MacOS?
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Download MacPorts, and run the following command:
sudo port install boost
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val() doesn't trigger change() in jQuery [duplicate]
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onchange only fires when the user types into the input and then the input loses focus.
You can manually call the onchange event using after setting the value:
$("#mytext").change(); // someObject.onchange(); in standard JS
Alternatively, you can trigger the event using:
$("#...