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How to read json file into java with simple JSON library
...));
for (Object o : a)
{
JSONObject person = (JSONObject) o;
String name = (String) person.get("name");
System.out.println(name);
String city = (String) person.get("city");
System.out.println(city);
String job = (String) person.get("job");
System.out.println(job);...
How to check if a line is blank using regex
...like this in multiline mode:
^\s*$
Explanation:
^ is the beginning of string anchor.
$ is the end of string anchor.
\s is the whitespace character class.
* is zero-or-more repetition of.
In multiline mode, ^ and $ also match the beginning and end of the line.
References:
regular-expression...
Check if a string contains another string
I want to find if a string contains a ","(comma) in it. Do we have any other option other than reading char-by-char?
4 Answ...
Converting dd/mm/yyyy formatted string to Datetime [duplicate]
I am new to DotNet and C#. I want to convert a string in mm/dd/yyyy format to DateTime object. I tried the parse function like below but it is throwing a runtime error.
...
How to remove all debug logging calls before building the release version of an Android app?
...ation — the log tag is set automatically, and it's easy to log formatted strings and exceptions — but you can also specify different logging behaviours at runtime.
In this example, logging statements will only be written to logcat in debug builds of my app:
Timber is set up in my Application o...
How to split one string into multiple strings separated by at least one space in bash shell?
I have a string containing many words with at least one space between each two. How can I split the string into individual words so I can loop through them?
...
Java Runtime.getRuntime(): getting output from executing a command line program
...
Here is the way to go:
Runtime rt = Runtime.getRuntime();
String[] commands = {"system.exe", "-get t"};
Process proc = rt.exec(commands);
BufferedReader stdInput = new BufferedReader(new
InputStreamReader(proc.getInputStream()));
BufferedReader stdError = new BufferedReader(...
.NET String.Format() to add commas in thousands place for a number
...
String.Format("{0:n}", 1234); // Output: 1,234.00
String.Format("{0:n0}", 9876); // No digits after the decimal point. Output: 9,876
share
...
How to get string objects instead of Unicode from JSON?
... )
def _byteify(data, ignore_dicts = False):
# if this is a unicode string, return its string representation
if isinstance(data, unicode):
return data.encode('utf-8')
# if this is a list of values, return list of byteified values
if isinstance(data, list):
return [...
Get query from java.sql.PreparedStatement [duplicate]
...n question may return the complete SQL by just calling PreparedStatement#toString(). I.e.
System.out.println(preparedStatement);
To my experience, the ones which do so are at least the PostgreSQL 8.x and MySQL 5.x JDBC drivers. For the case your JDBC driver doesn't support it, your best bet is us...