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Simplest way to read json from a URL in java
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import org.json.JSONObject;
public class JsonReader {
private static String readAll(Reader rd) throws IOException {
StringBuilder sb = new StringBuilder();
int cp;
while ((cp = rd.read()) != -1) {
sb.append((char) cp);
}
return sb.toString();
}
public static JSON...
Convert JsonNode into POJO
...e(fileReader, MyClass.class);
I say should because I'm using that with a String, not a BufferedReader but it should still work.
Here's my code:
String inputString = // I grab my string here
MySessionClass sessionObject;
try {
ObjectMapper objectMapper = new ObjectMapper();
sessionObject ...
What is the difference between LR, SLR, and LALR parsers?
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Suppose a parser without a lookahead is happily parsing strings for your grammar.
Using your given example it comes across a string dc, what does it do? Does it reduce it to S, because dc is a valid string produced by this grammar? OR maybe we were trying to parse bdc because eve...
round up to 2 decimal places in java? [duplicate]
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String roundOffTo2DecPlaces(float val)
{
return String.format("%.2f", val);
}
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NSObject +load and +initialize - What do they do?
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// ... initialize not implemented in this class
@end
int main(int argc, char *argv[]) {
@autoreleasepool {
Subclass *object = [[Subclass alloc] init];
}
return 0;
}
This program prints two lines of output:
2012-11-10 16:18:38.984 testApp[7498:c07] in Superclass initialize; ...
How do I iterate through the alphabet?
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You can use string.ascii_lowercase which is simply a convenience string of lowercase letters,
>>> from string import ascii_lowercase
>>> for c in ascii_lowercase:
... # append to your url
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How to find out line-endings in a text file?
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Unfortunately, I don't think vi can show those specific characters. You can try od -c <filename> which I believe will display \n or \r\n.
– Ryan Berger
Aug 25 '10 at 22:51
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Select something that has more/less than x character
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MSDN for it states:
Returns the number of characters of the specified string expression,
excluding trailing blanks.
Here's the link to the MSDN
For oracle/plsql you can use Length(), mysql also uses Length.
Here is the Oracle documentation:
http://www.techonthenet.com/oracle/functions/le...
Get MD5 hash of big files in Python
...k)
return md5.digest()
Note that the iter() func needs an empty byte string for the returned iterator to halt at EOF, since read() returns b'' (not just '').
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Are soft deletes a good idea? [duplicate]
...eleted_date field, instead of an is_deleted field. You get a nice piece of extra data instead of just the bit field.
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answered Apr 1 '10 at 13:02
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