大约有 6,500 项符合查询结果（耗时：0.0545秒） [XML]
What is resource-ref in web.xml used for?
...endor specific deployment descriptor file
– abhihello123
Aug 1 '16 at 11:48
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File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?
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I suspect that most drivers for filesystems on Windows perform the translation to a 'Windows-style' filesystem API so that it allows the OS and non-portable apps to work. Practical usage would have to be for an OS that supports weird and won...
Query EC2 tags from within instance
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Is the ec2-describe-tags command easily available? Supposedly it's in the ec2-api-tools package, but I got nothing but 404's when I tried to install it.
– Edward Falk
Apr 8 '12 at 19:39
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Difference between HTML “overflow : auto” and “overflow : scroll”
When I was studying the overflow property's values, I came across these two values: auto and scroll , which adds scrollbar(s) if the content overflows the element.
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InputStream from a URL
...ur original code uses FileInputStream, which is for accessing file system hosted files.
The constructor you used will attempt to locate a file named a.txt in the www.somewebsite.com subfolder of the current working directory (the value of system property user.dir). The name you provide is resolved ...
close vs shutdown socket?
In C, I understood that if we close a socket, it means the socket will be destroyed and can be re-used later.
9 Answers
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Android - Start service on boot
... I have everything set up correctly to start an IntentService when Android OS boots. Unfortunately it is not starting on boot, and I'm not getting any errors. Maybe the experts can help...
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Encrypt Password in Configuration Files? [closed]
...ters;
import java.security.GeneralSecurityException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.util.Base64;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.Iv...
What is the correct way to document a **kwargs parameter?
...rgs argument, but a completely normal one.
– bugmenot123
Jul 15 '19 at 12:26
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decimal vs double! - Which one should I use and when? [duplicate]
...ut at 1 million for a float.
A 15 digit monetary value:
£1,234,567,890,123.45
9 trillion with a double. But with division and comparisons it's more complicated (I'm definitely no expert in floating point and irrational numbers - see Marc's point). Mixing decimals and doubles causes issues:
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