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How do you specify that a class property is an integer?
... there is a bug in the VS plugin that is suggesting invalid types, perhaps based on the ECMA 262 list of reserved keywords (which includes "int")
– Josh
Oct 15 '12 at 21:09
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How to get object size in memory? [duplicate]
...sure. It is an internal implementation detail and not documented. However, based on the objects included in the other object. Now, how do we calculate the memory requirement for our cached objects?
I had previously touched this subject in this article:
Now, how do we calculate the memory requir...
Fast stable sorting algorithm implementation in javascript
...lyfill to implement a stable sort regardless of the native implementation, based on the assertion made in this answer:
// ECMAScript 5 polyfill
Object.defineProperty(Array.prototype, 'stableSort', {
configurable: true,
writable: true,
value: function stableSort (compareFunction) {
...
How to read a single char from the console in Java (as the user types it)?
...le input in Python and Java. Excerpt:
If your program must be console based,
you have to switch your terminal out
of line mode into character mode, and
remember to restore it before your
program quits. There is no portable
way to do this across operating
systems.
One of the sugges...
What does the number in parentheses shown after Unix command names in manpages mean?
...et Archive which had the v7 version the original answer seemed to link to (based on the URL).
– Jeroen
Oct 7 '17 at 14:28
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Javascript: Extend a Function
... javascript extension.
First let us extend javascript function.
function Base(props) {
const _props = props
this.getProps = () => _props
// We can make method private by not binding it to this object.
// Hence it is not exposed when we return this.
const privateMethod = ()...
Visual Studio 2013 hangs when opening a solution
...
I found the following to be the better approach to debugging VS based on MS Connect instructions
Please help to confirm if your captured dump file is a 32-bit dump file. If it is a 64-bit dump file, please use the following step to capture a new dump file.
Start Visual Studio.
Start a...
What is uintptr_t data type
... other than bit arithmetic it's also nice if you want to have semantics based on addresses instead of object counts.
– Alex
Apr 2 '16 at 17:44
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Pandas convert dataframe to array of tuples
...data using pandas and now I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple corresponding to a "row" of the dataframe.
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How do I replace NA values with zeros in an R dataframe?
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The dplyr hybridized options are now around 30% faster than the Base R subset reassigns. On a 100M datapoint dataframe mutate_all(~replace(., is.na(.), 0)) runs a half a second faster than the base R d[is.na(d)] <- 0 option. What one wants to avoid specifically is using an ifelse() or ...