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How to clear MemoryCache?
.... What is the quickest way to do this? Should I loop through all the items and remove them one at a time or is there a better way?
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Is object empty? [duplicate]
...y = Object.prototype.hasOwnProperty;
function isEmpty(obj) {
// null and undefined are "empty"
if (obj == null) return true;
// Assume if it has a length property with a non-zero value
// that that property is correct.
if (obj.length > 0) return false;
if (obj.length...
Why do you need to create a cursor when querying a sqlite database?
I'm completely new to Python's sqlite3 module (and SQL in general for that matter), and this just completely stumps me. The abundant lack of descriptions of cursor objects (rather, their necessity) also seems odd.
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How to construct a REST API that takes an array of id's for the resources
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@uclajatt, REST is an architectural model and not a protocol and if you study the major REST APIs available today, you will see that there are multiple ways of implementing it. The approach that I am suggesting is probably one of the closest to the concept since it a...
Is there a benefit to defining a class inside another class in Python?
...Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
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What REALLY happens when you don't free after malloc?
...hink of might be something like Palm OS where the program's static storage and runtime memory are pretty much the same thing, so not freeing might cause the program to take up more storage. (I'm only speculating here.)
So generally, there's no harm in it, except the runtime cost of having more sto...
Renaming a virtualenv folder without breaking it
I've created folder and initialized a virtualenv instance in it.
10 Answers
10
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How do I concatenate strings and variables in PowerShell?
...g2 + $string3). With these methods, you can have whitespace (spaces, tabs, and newlines) between the strings, but be sure that (1) each string has a comma/space after it on the same line, (2) you use the back-tick character ` at the end of any empty lines between your code, and (3) if you use -join,...
FileSystemWatcher vs polling to watch for file changes
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I have seen the file system watcher fail in production and test environments. I now consider it a convenience, but I do not consider it reliable. My pattern has been to watch for changes with the files system watcher, but poll occasionally to catch missing file changes.
Edit...
How to override trait function and call it from the overridden function?
... You can't access its members directly. It's basically just automated copy and paste...
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