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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...
Include headers when using SELECT INTO OUTFILE?
... and combine files into one CSV file:
CSVHEAD=`/usr/bin/mysql $CONNECTION_STRING -e "$QUERY limit 1;"|head -n1|xargs|sed -e "s/ /'\;'/g"`
echo "\'$CSVHEAD\'" > $TMP/head.txt
/usr/bin/mysql $CONNECTION_STRING -e "$QUERY into outfile '${TMP}/data.txt' fields terminated by ';' optionally enclosed b...
Error - Unable to access the IIS metabase
After installing Visual Studio 2012 and opening my solution I get a series of errors in this form:
37 Answers
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How do I search within an array of hashes by hash values in ruby?
...asecmp("hitesh")==0 } should work for any case in start or anywhere in the string i.e. for "Hitesh", "hitesh" or "hiTeSh"
– ARK
Aug 12 at 11:14
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When a 'blur' event occurs, how can I find out which element focus went *to*?
...s caused by tabbing through fields with the keyboard, and does not work at all in Chrome or Safari. The big problem with using activeElement (except in IE) is that it is not consistently updated until after the blur event has been processed, and may have no valid value at all during processing! This...
Open file dialog box in JavaScript
...xtensions. Many browsers support the accept attribute on file inputs. This allows you to limit the file types displayed in the file browser dialog. Fine Uploader provides access to this functionality via the acceptFiles property of the validation option. See the validation section of the options doc...
Remove blank lines with grep
...explain. For instance your regular expression matches the beginning of the string then one or more spaces using the POSIX standard then the end of the string, i.e. with grep -v it removes all lines that are only spaces. Right? What happens if there are no spaces; it's simply a newline character?
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console.writeline and System.out.println
...rate the difference:
public class ConsoleDemo {
public static void main(String[] args) {
String[] data = { "\u250C\u2500\u2500\u2500\u2500\u2500\u2510",
"\u2502Hello\u2502",
"\u2514\u2500\u2500\u2500\u2500\u2500\u2518" };
for (String s : data) {
System.out.println(s...
Shallow copy of a Map in Java
...ap here, but it works for every implementation of the Map interface
Map<String, Object> data = new HashMap<String, Object>();
Map<String, Object> shallowCopy = new HashMap<String, Object>();
shallowCopy.putAll(data);
...
How do I assert equality on two classes without an equals method?
...zim I have used the below code to get that Assert.assertEquals(ReflectionToStringBuilder.toString(expected), ReflectionToStringBuilder.toString(actual));
– Abhijeet Kushe
Jun 27 '17 at 18:31
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