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C# How can I check if a URL exists/is valid?
... the DownloadString to check for errors; no error? It exists...
With C# 2.0 (VS2005):
private bool headOnly;
public bool HeadOnly {
get {return headOnly;}
set {headOnly = value;}
}
and
using(WebClient client = new MyClient())
{
// code as before
}
...
马云、王健林为什么都看中了上海？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...能满足万达这样的大企业。
而且对于正在发展金融2.0的上海，还处在先占先得的状态。能够在上海首先大规模开展新兴金融业务的公司，就很有可能在未来的金融业掌握话语权，这也是支付宝与万达分秒必争的原因。
历...
How to change the Push and Pop animations in a navigation based app
...
@Magnus answer, only then for Swift (2.0)
let transition = CATransition()
transition.duration = 0.5
transition.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
transition.type = kCATransitionPush
transition.s...
Installing Python 3 on RHEL
...ollections now includes Python 3.4 - all work on both RHEL 6 and 7.
RHSCL 2.0 docs are at https://access.redhat.com/documentation/en-US/Red_Hat_Software_Collections/
Plus lot of articles at developerblog.redhat.com.
edit
Follow these instructions to install Python 3.4 on RHEL 6/7 or CentOS 6/7:
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How to extract a string using JavaScript Regex?
...e().VCALENDAR;
}
example =
'BEGIN:VCALENDAR\n'+
'VERSION:2.0\n'+
'PRODID:-//hacksw/handcal//NONSGML v1.0//EN\n'+
'BEGIN:VEVENT\n'+
'DTSTART:19970714T170000Z\n'+
'DTEND:19970715T035959Z\n'+
'SUMMARY:Bastille Day Party\n'+
'END:VEVENT\n'+
'END:VCALENDAR\n'...
Ruby: How to turn a hash into HTTP parameters?
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Does not seem to work with ruby 2.0 - the hash {:c => "c", :d => true} appears to be inspected, so sent through as a string.
– user208769
Dec 13 '13 at 23:29
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invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
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Just a note that as of Ruby 2.0 there is no need to add # encoding: utf-8. UTF-8 is automatically detected.
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How to count total lines changed by a specific author in a Git repository?
...1.6 / 11.2 |
| Jesper Josefsson | 9,689 | 519 | 191 | 15.3 / 12.0 / 9.3 |
| Ole Martin Kristiansen | 6,632 | 24 | 60 | 10.5 / 0.6 / 2.9 |
| Linus Oleander | 5,769 | 705 | 277 | 9.1 / 16.3 / 13.5 |
| Fabio Akita | 2,122 | 24 | 60 | 3.4 / 0....
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
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I'm not sure for JPA 1.0 but you can pass a Collection in JPA 2.0:
String qlString = "select item from Item item where item.name IN :names";
Query q = em.createQuery(qlString, Item.class);
List<String> names = Arrays.asList("foo", "bar");
q.setParameter("names", names);
List&l...
Django admin: How to display a field that is marked as editable=False' in the model?
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This does not work here (Django 2.0). The field is not displayed then in the admin interface.
– nerdoc
Sep 5 '18 at 12:47
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