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Apply function to all elements of collection through LINQ [duplicate]
...n to execute this code when clicked: myEnumerable.AsParallel().ForAll(i as string => otherDictionary.Add(i, 0)) . It will add null as a key to otherDictionary. I had to rewrote to use foreach loop. Weird.
– YukiSakura
Dec 22 '15 at 8:13
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What predefined macro can I use to detect clang?
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Found the answer using strings + grep :
$ strings /usr/bin/clang | grep __ | grep -i clang
__clang__
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Having a UITextField in a UITableViewCell
...ion TextFormCell
@synthesize textField;
- (id)initWithReuseIdentifier:(NSString *)reuseIdentifier {
if (self = [super initWithReuseIdentifier:reuseIdentifier]) {
// Adding the text field
textField = [[UITextField alloc] initWithFrame:CGRectZero];
textField.clearsOnBeginEditing = NO;
te...
XPath: How to select nodes which have no attributes?
...ess Marek Czaplicki's comment and expand the answer
//node[not(@*) or not(string-length(@*))]
....will select all node elements with zero attributes OR which have attributes that are all empty. If it was just a particular attribute you are interested in, rather than all of them, then you could us...
Add a “hook” to all AJAX requests on a page
...lback( function( xhr ) {
console.log( xhr.responseText ); // (an empty string)
});
addXMLRequestCallback( function( xhr ) {
console.dir( xhr ); // have a look if there is anything useful here
});
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How to call an async method from a getter or setter?
...alue will get populated without blocking the UI, when getTitle() returns.
string _Title;
public string Title
{
get
{
if (_Title == null)
{
Deployment.Current.Dispatcher.InvokeAsync(async () => { Title = await getTitle(); });
}
return _Title;...
How do I view the SQL generated by the Entity Framework?
... select x;
var sql = ((System.Data.Objects.ObjectQuery)query).ToTraceString();
or in EF6:
var sql = ((System.Data.Entity.Core.Objects.ObjectQuery)query)
.ToTraceString();
That will give you the SQL that was generated.
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How can I get all the request headers in Django?
...rip will strip out all leading characters that match any characters in the string you give it, so if you have a header "HTTP_TOKEN_ID" it will give back "OKEN_ID", because the "T" at the beginning of "TOKEN" matches a character in the string passed to lstrip. The way to do it is prefix = 'HTTP_'; h...
Bash array with spaces in elements
...ling the elements in the array, you call the indexes, which takes the full string thats wrapped in quotes.
It must be wrapped in quotes!
#!/bin/bash
Unix[0]='Debian'
Unix[1]='Red Hat'
Unix[2]='Ubuntu'
Unix[3]='Suse'
for i in $(echo ${!Unix[@]});
do echo ${Unix[$i]};
done
Then you'll get:
D...
Show current key setting?
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By default mapleader is not set, and special string "<Leader>" means \.
If you do:
:echo mapleader
you will get
Undefined variable: mapleader
Invalid expression: mapleader
If you want to set special string "<Leader>" to a different key, say ",", which...