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“is” operator behaves unexpectedly with integers
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403
Take a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
>...
Get all directories within directory nodejs
....map(name => join(source, name)).filter(isDirectory)
Update for Node 10.10.0+
We can use the new withFileTypes option of readdirSync to skip the extra lstatSync call:
const { readdirSync } = require('fs')
const getDirectories = source =>
readdirSync(source, { withFileTypes: true })
...
Simple example of threading in C++
...}
More information about std::thread here
On GCC, compile with -std=c++0x -pthread.
This should work for any operating-system, granted your compiler supports this (C++11) feature.
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impro...
Getting full URL of action in ASP.NET MVC [duplicate]
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answered Jan 5 '10 at 10:37
PaddyPaddy
30.7k1313 gold badges7474 silver badges108108 bronze badges
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viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro
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answered Nov 29 '09 at 20:36
Bryan HenryBryan Henry
7,95633 gold badges3131 silver badges3030 bronze badges
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How enumerate all classes with custom class attribute?
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205
Yes, absolutely. Using Reflection:
static IEnumerable<Type> GetTypesWithHelpAttribute(A...
Java HTTPS client certificate authentication
... -name "Whatever"
Tip: make sure you get the latest OpenSSL, not version 0.9.8h because that seems to suffer from a bug which doesn't allow you to properly generate PKCS#12 files.
This PKCS#12 file will be used by the Java client to present the client certificate to the server when the server has...
Use ASP.NET MVC validation with jquery ajax?
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+50
Client Side
Using the jQuery.validate library should be pretty simple to set up.
Specify the following settings in your Web.config f...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...t isinstance(s, str) or not s.isdigit():
return None
elif len(s) > 10: #too many digits for int conversion
return None
else:
return int(s)
Better (EAFP: Easier to ask for forgiveness than permission):
try:
return int(s)
except (TypeError, ValueError, OverflowError): #int con...
UIScrollView not scrolling
...entSize = contentView.frame.size; //sets ScrollView content size
Swift 4.0
let myScrollView
let contentView
// scrollview won't scroll unless content size explicitly set
myScrollView.addSubview(contentView)//if the contentView is not already inside your scrollview in your xib/StoryBoard doc
my...