大约有 16,000 项符合查询结果（耗时：0.0360秒） [XML]
Do unix timestamps change across timezones?
...mestamp represents a moment that is the same everywhere. Of course you can convert back and forth to a local timezone representation (time 1397484936 is such-and-such local time in New York, or some other local time in Djakarta) if you want.
The article at http://en.wikipedia.org/wiki/Unix_time is ...
Get Enum from Description attribute [duplicate]
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@ErikE Enum cannot be specified as a constraint (msdn.microsoft.com/en-us/library/56b2hk61.aspx)
– max
Jul 22 '15 at 23:36
1
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Classes vs. Modules in VB.NET
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When one of my VB.NET classes has all shared members I either convert it to a Module with a matching (or otherwise appropriate) namespace or I make the class not inheritable and not constructable:
Public NotInheritable Class MyClass1
Private Sub New()
'Contains only shared me...
Why does appending “” to a String save memory?
...g(x, y)) does effectively the same thing as appending "", but it makes the intent somewhat clearer.
– Joachim Sauer
Jan 27 '10 at 14:57
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embedding image in html email
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If it does not work, you may try one of these tools that convert the image to an HTML table (beware the size of your image though):
http://stylecampaign.com/blog/2009/12/bypass-image-blocking-by-converting-images-to-html/
http://neil.fraser.name/software/img2html/
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Add swipe to delete UITableViewCell
... func tableView(tableView: UITableView!, numberOfRowsInSection section: Int) -> Int {
return self.items.count;
}
func tableView(tableView: UITableView!, cellForRowAtIndexPath indexPath: NSIndexPath!) -> UITableViewCell! {
var cell = tableView.dequeueReusableCellWi...
filtering NSArray into a new NSArray in Objective-C
...ainst properties reachable from within your class it may just be easier to convert the function's conditions to a predicate string.
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Create a CSV File for a user in PHP
...put into a csv in a session var. Then just unset it as part of the process converting it to a csv. I would just suggest using session vars instead of a query string.
– inorganik
Oct 24 '12 at 23:00
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Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
...enssl pkcs12 -in pkcs12.pfx -nocerts -nodes | openssl rsa > id_rsa
To convert the private key to a public key:
openssl rsa -in id_rsa -pubout | ssh-keygen -f /dev/stdin -i -m PKCS8
To extract the public key in a format openssh can use:
openssl pkcs12 -in pkcs12.pfx -clcerts -nokeys | openss...
How to get a group of toggle buttons to act like radio buttons in WPF?
... a listbox and not the behavior of a set of radio/toggle buttons. Keyboard interaction is weird. A better solution would be an ItemsControl with RadioButtons, styled as ToggleButtons (see the other highest voted answer).
– Zarat
Apr 15 '15 at 10:36
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