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When should the volatile keyword be used in C#?
... the volatile keyword as it relates to locking. For quite awhile (prior to 2.0 RT), the volatile keyword was necessary to use in order to properly make a static field thread safe if the field instance had any initialization code in the constructor (see AndrewTek's answer). There's a lot of 1.1 RT co...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
一文了解大数据领域创业的机会与方向跨界和融合是大数据思维里最重要的一环，大数据就像是钱一样，你得让它流动起来才能产生价值。在这篇大数据行业的SWOT分析文章中，也许可以找到你想了解的大数据行业创业环境、问...
How to style UITextview to like Rounded Rect text field?
...or] colorWithAlphaComponent:0.5] CGColor]];
[textView.layer setBorderWidth:2.0];
//The rounded corner part, where you specify your view's corner radius:
textView.layer.cornerRadius = 5;
textView.clipsToBounds = YES;
It only works on OS 3.0 and above, but I guess now it's the de facto platform any...
How to change the CHARACTER SET (and COLLATION) throughout a database?
...TER DATABASE <database_name> CHARACTER SET utf8 COLLATE utf8mb4_0900_ai_ci;
change table collation:
ALTER TABLE <table_name> CONVERT TO CHARACTER SET utf8 COLLATE utf8mb4_0900_ai_ci;
change column collation:
ALTER TABLE <table_name> MODIFY <column_name> VARCHAR(255) CHARACT...
How do I make an HTTP request in Swift?
...&err) as? NSDictionary
println("Synchronous\(jsonResult)")
Swift 2.0 +
let urlPath: String = "YOUR_URL_HERE"
let url: NSURL = NSURL(string: urlPath)!
let request1: NSURLRequest = NSURLRequest(URL: url)
let response: AutoreleasingUnsafeMutablePointer<NSURLResponse?>=nil
...
Store query result in a variable using in PL/pgSQL
...on't leave out the table name prefix on test_table.name or you'll get complaints about an ambiguous reference.
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How to calculate cumulative normal distribution?
...an (loc) and variance (scale) as parameters. e.g, d = norm(loc=10.0, scale=2.0); d.cdf(12.0); Details here: docs.scipy.org/doc/scipy-0.14.0/reference/generated/…
– Irvan
Oct 31 '14 at 13:41
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System.Timers.Timer vs System.Threading.Timer
... was deprecated with .NET Core 1.0, but was implemented again in .NET Core 2.0 (/ .NET Standard 2.0).
The goal with .NET Standard 2.0 was that it should be as easy as possible to switch from the .NET Framework which is probably the reason it came back.
When it was deprecated, the .NET Portability A...
client secret in OAuth 2.0
To use google drive api, I have to play with the authentication using OAuth2.0. And I got a few question about this.
3 Answ...
Script not served by static file handler on IIS7.5
...side the Windows folder; for example C:\WINDOWS\Microsoft.NET\Framework64\v2.0.50727 would contain the IIS Registration Tool.
– Matthew Lock
May 9 '13 at 0:03
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