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Waiting until two async blocks are executed before starting another block
...^ {
// block1
NSLog(@"Block1");
[NSThread sleepForTimeInterval:5.0];
NSLog(@"Block1 End");
});
dispatch_group_async(group,dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^ {
// block2
NSLog(@"Block2");
[NSThread sleepForTimeInterval:8.0];
NSLog(@"Block2 ...
Can “using” with more than one resource cause a resource leak?
...
That's 8.13 in the C# Specification version 5.0, btw.
– Ben Voigt
Jan 14 '14 at 16:14
11
...
How do I set a cookie on HttpClient's HttpRequestMessage
...rlencoded");
httpRequestMessage.Headers.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36");
httpRequestMessage.Headers.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp...
Sleep until a specific time/date
...00 2020
^C
HiRes time with bash under GNU/Linux
Recent bash, from version 5.0 add new $EPOCHREALTIME variable with microseconds. From this there is a sleepUntilHires function.
sleepUntilHires () { # args [-q] <HH[:MM[:SS]]> [more days]
local slp tzoff now quiet=false musec musleep;
[ ...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...t work in all hosts, does not work when there is no host, and (prior to PS 5.0) cannot be suppressed, captured, or redirected. Instead, use Write-Output, Write-Verbose, or Write-Information.
See the documentation behind that rule for more information. Excerpts for posterity:
The use of Write-H...
Create Generic method constraining T to an Enum
...se<SomeEnum>("value");
Note: this is specifically stated in the C# 5.0 language specification:
If type parameter S depends on type parameter T then:
[...] It is valid for
S to have the value type constraint and T to have the reference type
constraint. Effectively this limits T to t...
Why use the SQL Server 2008 geography data type?
...
If you plan on doing any spatial computation, EF 5.0 allows LINQ Expressions like:
private Facility GetNearestFacilityToJobsite(DbGeography jobsite)
{
var q1 = from f in context.Facilities
let distance = f.Geocode.Distance(jobsite)
...
Version vs build in Xcode
...t file(s).
This is extended from the how-to article here.
In Xcode 4.2 - 5.0:
Load your Xcode project.
In the left hand pane, click on your project at the very top of the hierarchy. This will load the project settings editor.
On the left-hand side of the center window pane, click on your app und...
What are 'get' and 'set' in Swift?
...in the get code block, and when you use it like this:
myClass.perimeter = 5.0
you are invoking the code contained in the set code block, where newValue is automatically filled with the value provided at the right of the assignment operator.
Computed properties can be readwrite if both a getter a...
Truncating long strings with CSS: feasible yet?
...Windows OS, for web browsers:
IE6 to IE11
Opera 10.6, Opera 11.1, Opera 15.0, Opera 20.0
Chrome 14, Chrome 20, Chrome 25
Safari 4.0, Safari 5.0, Safari 5.1
Firefox 7.0, Firefox 15
Firefox: as pointed out by Simon Lieschke (in another answer), Firefox only support the text-overflow CSS property f...