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Are +0 and -0 the same?
Reading through the ECMAScript 5.1 specification , +0 and -0 are distinguished.
9 Answers
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How do I make a WinForms app go Full Screen
... was actually setting the properties in that order, but when the form is already maximized setting the border to none doesn't expand to cover the taskbar. I worked around by "restoring" the form changing the border and then maximizing.
– Grady
Feb 3 '09 at 22:...
How to check a not-defined variable in JavaScript
...= and !== to test for undefined without using typeof as undefined has been read-only for some time.
If you want to know if a member exists independent but don't care what its value is:
if ('membername' in object) // With inheritance
if (object.hasOwnProperty('membername')) // Without inheritance
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How do I create a file and write to it in Java?
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Note that each of the code samples below will overwrite the file if it already exists
Creating a text file:
PrintWriter writer = new PrintWriter("the-file-name.txt", "UTF-8");
writer.println("The first line");
writer.println("The second line");
writer.close();
Creating a binary file:
byte dat...
How to drop rows of Pandas DataFrame whose value in a certain column is NaN
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This question is already resolved, but...
...also consider the solution suggested by Wouter in his original comment. The ability to handle missing data, including dropna(), is built into pandas explicitly. Aside from potentially improved perf...
Difference between freeze and seal
...tExtensions()
My unit tests cover CRUD cases:
[C] add new property
[R] read existed property
[U] modify existed property
[D] remove existed property
Result:
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Programmatically get the cache line size?
...s what CPUs share this cache. This is very useful if you are doing multithreaded programming with shared data (you'll get better results if the threads sharing data are also sharing a cache).
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How to check if object has any properties in JavaScript?
...: var a = [1,2,3];a.something=4;console.log(Object.keys(a)) Because it's already part of ECMA 5 you can safely shim it: developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– HMR
Nov 15 '13 at 13:32
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Should I initialize variable within constructor or outside constructor [duplicate]
...akes it clear at a glance how the variable is initialized. Typically, when reading a program and coming across a variable, you'll first go to its declaration (often automatic in IDEs). With style 2, you see the default value right away. With style 1, you need to look at the constructor as well.
If y...
How to annotate MYSQL autoincrement field with JPA annotations
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For anyone reading this who is using EclipseLink for JPA 2.0, here are the two annotations I had to use to get JPA to persist data, where "MySequenceGenerator" is whatever name you want to give the generator, "myschema" is the name of t...