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Why can a class not be defined as protected?
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As you know default is for package level access and protected is for package level plus non-package classes but which extends this class (Point to be noted here is you can extend the class only if it is visible!).
Let's put it in th...
Does Foreign Key improve query performance?
...pretty much useless because it doesn't answer the question. It's great to know that foreign keys are not intended to have a (positive) effect on performance, but the question was concerning reality, not intentions.
– John
Mar 15 '17 at 16:04
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Is there a way to automatically build the package.json file for Node.js projects
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seem it don't create package.json now. win7x64 node0.10.9
– atian25
Jun 24 '13 at 2:51
33
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Javascript objects: get parent [duplicate]
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No. There is no way of knowing which object it came from.
s and obj.subObj both simply have references to the same object.
You could also do:
var obj = { subObj: {foo: 'hello world'} };
var obj2 = {};
obj2.subObj = obj.subObj;
var s = obj.subObj;...
How to get the start time of a long-running Linux process?
...iffies to seconds for details.
awk -v ticks="$(getconf CLK_TCK)" 'NR==1 { now=$1; next }
END { printf "%9.0f\n", now - ($20/ticks) }' /proc/uptime RS=')' /proc/12345/stat
This should give you seconds, which you can pass to strftime() to get a (human-readable, or otherwise) timestamp.
awk -v ...
Do I need dependency injection in NodeJS, or how to deal with …?
... dbCon = require('./lib/mydbconnection'); //wherever the file is stored
//now do something with the connection
var connection = dbCon.fetchConnection(); //mydbconnection.js is responsible for pooling, reusing, whatever your app use case is
//come TEST time of SuperCoolWebApp, you can set the requi...
JSONP with ASP.NET Web API
...So far, it's great. I have created the service and gotten it to work, and now I am trying to consume it using JQuery. I can get back the JSON string using Fiddler, and it seems to be ok, but because the service exists on a separate site, trying to call it with JQuery errors with the "Not Allowed"....
Integrated Markdown WYSIWYG text editor
...e the answer. I've been searching for something just like this for a month now. I'm surprised that this does not show up higher in search results. I had to go through a notice on lepture/editor to find this.
share
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How do I run a Python program in the Command Prompt in Windows 7?
...s with the Command Prompt on Windows 7. (I should have figured this out by now...)
23 Answers
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What's the yield keyword in JavaScript?
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Late answering, probably everybody knows about yield now, but some better documentation has come along.
Adapting an example from "Javascript's Future: Generators" by James Long for the official Harmony standard:
function * foo(x) {
while (true) {
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