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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
... extends the AsyncTask , Now in my main Activity I need to get the result from the OnPostExecute() in the AsyncTask . How can I pass or get the result to my main Activity?
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Where does Java's String constant pool live, the heap or the stack?
...nswer, the exact location of the string pool is not specified and can vary from one JVM implementation to another.
It is interesting to note that until Java 7, the pool was in the permgen space of the heap on hotspot JVM but it has been moved to the main part of the heap since Java 7:
Area: Hot...
What is the use of a private static variable in Java?
...f a variable is declared as public static varName; , then I can access it from anywhere as ClassName.varName . I am also aware that static members are shared by all instances of a class and are not reallocated in each instance.
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Difference between Property and Field in C# 3.0+
...en a Field and a Property in C#? but my question has a slight difference (from my point of view):
10 Answers
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How does OAuth 2 protect against things like replay attacks using the Security Token?
...nts occurs in OAuth 2 in order for Site-A to access User's information from Site-B .
8 Answers
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Accept server's self-signed ssl certificate in Java client
... truststore or configure your client to
Option 1
Export the certificate from your browser and import it in your JVM truststore (to establish a chain of trust):
<JAVA_HOME>\bin\keytool -import -v -trustcacerts
-alias server-alias -file server.cer
-keystore cacerts.jks -keypass changeit
-sto...
C# Convert string from UTF-8 to ISO-8859-1 (Latin1) H
...elf inside C#/.Net, then this code is not 100% correct, you need to encode from UTF-16 (which is the variable "Unicode"). Because this is the default. So UTF8 in the code above has to be changed to Unicode.
– goamn
Jun 1 '17 at 1:42
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Formatting floats without trailing zeros
...is:
'%g'%(3.140)
or, for Python 2.6 or better:
'{0:g}'.format(3.140)
From the docs for format: g causes (among other things)
insignificant trailing zeros [to be]
removed from the significand, and the
decimal point is also removed if there
are no remaining digits following it.
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Decode HTML entities in Python string?
... be removed in 3.5, although it was left in by mistake. It will be removed from the language soon.
Python 2.6-3.3
You can use HTMLParser.unescape() from the standard library:
For Python 2.6-2.7 it's in HTMLParser
For Python 3 it's in html.parser
>>> try:
... # Python 2.6-2.7
.....
How do I edit /etc/sudoers from a script?
I need to edit /etc/sudoers from a script to add/remove stuff from white lists.
12 Answers
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