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Write to UTF-8 file in Python
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I believe the problem is that codecs.BOM_UTF8 is a byte string, not a Unicode string. I suspect the file handler is trying to guess what you really mean based on "I'm meant to be writing Unicode as UTF-8-encoded text, but you've given me a byte string!"
Try writing the Unicode st...
Accessing Session Using ASP.NET Web API
...w):
WebApiConfig.cs
public static class WebApiConfig
{
public static string UrlPrefix { get { return "api"; } }
public static string UrlPrefixRelative { get { return "~/api"; } }
public static void Register(HttpConfiguration config)
{
config.Routes.MapHttpRoute(
...
Is leaked memory freed up when the program exits?
...t space is given back to the system wholesale, right? I don't see why the extra bookkeeping would be necessary, since the process making the allocations is the only process (in userland) with access to those pages anyway. Or have I been mis-taught?
– Chris Tonkinson
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How do I shuffle an array in Swift?
...2. Example usage:
let x = [1, 2, 3].shuffled()
// x == [2, 3, 1]
let fiveStrings = stride(from: 0, through: 100, by: 5).map(String.init).shuffled()
// fiveStrings == ["20", "45", "70", "30", ...]
var numbers = [1, 2, 3, 4]
numbers.shuffle()
// numbers == [3, 2, 1, 4]
Swift 4.0 and 4.1
These ex...
Optimal number of threads per core
...ld never include such a graph into their answer because you don't have the extra time/energy to make it look good. That is my point.
– tyrex
Nov 17 '14 at 1:59
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Xcode 4: How do you view the console?
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The console is no extra window anymore but it is under the texteditor area. You can set the preferences to always show this area. Go to "General" "Run Start" and activate "Show Debugger". Under "Run completes" the Debugger is set to hide again...
Does Java SE 8 have Pairs or Tuples?
...ecord CountForIndex(int index, long count) {}
public static void main(String[] args) {
boolean [][] directed_acyclic_graph = new boolean[][]{
{false, true, false, true, false, true},
{false, false, false, true, false, true},
{false, f...
Inheritance and Overriding __init__ in python
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The book is a bit dated with respect to subclass-superclass calling. It's also a little dated with respect to subclassing built-in classes.
It looks like this nowadays:
class FileInfo(dict):
"""store file metadata"""
def __init__(self, filename=None):
super(FileInfo,...
What is the difference between -viewWillAppear: and -viewDidAppear:?
...ke a long time to execute, like for example doing a webservice call to get extra data for the form above.The good thing is that because the view already exists and is being displayed to the user, you can show a nice "Waiting" message to the user while you get the data.
...
Disabling user selection in UIWebView
...}
</style>
Programmatically load the following Javascript code:
NSString * jsCallBack = @"window.getSelection().removeAllRanges();";
[webView stringByEvaluatingJavaScriptFromString:jsCallBack];
Disable the Copy / Paste user menu:
- (BOOL)canPerformAction:(SEL)action withSender:(id)se...
