大约有 30,000 项符合查询结果（耗时：0.0530秒） [XML]
How to convert an NSTimeInterval (seconds) into minutes
...to convert a given NSTimeInterval from its value in seconds to a localized string to show the user. For example:
Objective-C
NSTimeInterval interval = 326.4;
NSDateComponentsFormatter *componentFormatter = [[NSDateComponentsFormatter alloc] init];
componentFormatter.unitsStyle = NSDateComponents...
Add column to SQL Server
...le
ALTER TABLE [table]
ADD Column1 Datatype
E.g
ALTER TABLE [test]
ADD ID Int
If User wants to make it auto incremented then
ALTER TABLE [test]
ADD ID Int IDENTITY(1,1) NOT NULL
share
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imp...
How to copy a file to a remote server in Python using SCP or SSH?
...y for pointing out the weakness in my original answer, which used a single string argument to specify the scp operation shell=True - that wouldn't handle whitespace in paths.
The module documentation has examples of error checking that you may want to perform in conjunction with this operation.
En...
Access to private inherited fields via reflection in Java
...e int i = 5;
}
public class B extends Super {
public static void main(String[] args) throws Exception {
B b = new B();
Field f = b.getClass().getSuperclass().getDeclaredField("i");
f.setAccessible(true);
System.out.println(f.get(b));
}
}
(Or Class.getDeclar...
Format a number as 2.5K if a thousand or more, otherwise 900
...
@SalmanA - Great help, it fails if one pass arg as string, if cleansed with parseFloat works well. Thank you!
– Adesh M
Apr 25 '16 at 6:57
1
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Creating a segue programmatically
... runtime that creates them for you. You can normally call performSegueWithIdentifier: in your view controller's code, but this relies on having a segue already set up in the storyboard to reference.
What I think you are asking though is how you can create a method in your common view controller (b...
User recognition without cookies or local storage
...
Introduction
If I understand you correctly, you need to identify a user for whom you don't have a Unique Identifier, so you want to figure out who they are by matching Random Data. You can't store the user's identity reliably because:
Cookies Can be deleted
IP address Can change...
How to programmatically empty browser cache?
...elf.There is one trick that can be used.The trick is to append a parameter/string to the file name in the script tag and change it when you file changes.
<script src="myfile.js?version=1.0.0"></script>
The browser interprets the whole string as the file path even though what comes afte...
Renew Provisioning Profile
...any that is famous for intuitiveness (if that's a word) this is extremely hidden and obscure. Worked for me, it did also prompt me something else relating to the provisioning profile and asked if xcode should fetch it for me, I said yes and it worked.
– Brett Gregson
...
Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
... HKey_Classes_Root\Wow6432Node\CLSID\{GUID}
Once located add a new REG_SZ (string) Value. Name should be AppID and data should be the same COM object GUID you have just searched for
Add a new key under HKey_Classes_Root\Wow6432Node\AppID. The new key should be called the same as the COM object GUID...