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sort object properties and JSON.stringify
My application has a large array of objects, which I stringify and save them to the disk. Unfortunately, when the objects in the array are manipulated, and sometimes replaced, the properties on the objects are listed in different orders (their creation order?). When I do JSON.stringify() on the arr...
Variable name as a string in Javascript
...e a hash table for a situation where you want to map a name to some value, and be able to retrieve both.
var obj = { myFirstName: 'John' };
obj.foo = 'Another name';
for(key in obj)
console.log(key + ': ' + obj[key]);
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Java Class.cast() vs. cast operator
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I've only ever used Class.cast(Object) to avoid warnings in "generics land". I often see methods doing things like this:
@SuppressWarnings("unchecked")
<T> T doSomething() {
Object o;
// snip
return (T) o;
}
It's often best to replace it by:
<T> T doSomething(Class<...
Mark parameters as NOT nullable in C#/.NET?
...pile time to make sure the literal null isn't being used anywhere for it and at run-time throw ArgumentNullException .
6...
How to get Android crash logs?
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If your app is being downloaded by other people and crashing on remote devices, you may want to look into an Android error reporting library (referenced in this SO post). If it's just on your own local device, you can use LogCat. Even if the device wasn't connected to a ...
Android: Difference between Parcelable and Serializable?
Why does Android provide 2 interfaces for serializing objects? Do Serializable objects interopt with Android Binder and AIDL files?
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Find where python is installed (if it isn't default dir)
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In unix (mac os X included) terminal you can do
which python
and it will tell you.
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How can I strip first X characters from string using sed?
... a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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How can I get the full object in Node.js's console.log(), rather than '[Object]'?
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@mklement0 I have node v5.3.0 and when I console.log(obj) it still prints [Object] for deeply nested objects :( I really wish it would behave as you describe.
– SSH This
Feb 23 '16 at 22:36
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How do I find a default constraint using INFORMATION_SCHEMA?
...onstraint exists. I don't want to use the sysobjects table, but the more standard INFORMATION_SCHEMA.
14 Answers
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