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How to find all the tables in MySQL with specific column names in them?
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You can also use DATABASE() instead of a string to search in the currently selected database.
– Sherlock
Mar 12 '13 at 16:01
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...orUndefinedKey:]: this class is not key value coding-compliant for the key string.'
It is caused by the Second view controller in MainWindow.xib having a class of UIViewController instead of SecondView. Changing to the correct class resolves the problem.
By the way, it is bad practice to have na...
Converting a Date object to a calendar object [duplicate]
...er = new SimpleDateFormat("yyyyMMdd");
date = (Date)formatter.parse(date.toString());
DateFormat is used to convert Strings to Dates (parse()) or Dates to Strings (format()). You are using it to parse the String representation of a Date back to a Date. This can't be right, can it?
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Create instance of generic type in Java?
...get();
}
}
You would construct this class like this:
SomeContainer<String> stringContainer = new SomeContainer<>(String::new);
The syntax String::new on that line is a constructor reference.
If your constructor takes arguments you can use a lambda expression instead:
SomeContain...
DateTime.Now vs. DateTime.UtcNow
... are in a timezone hours away from GMT. As noted below, printing out their String values would display different strings.
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Returning a value from thread?
... Program
{
static bool done = false;
static void Main(string[] args)
{
BackgroundWorker bg = new BackgroundWorker();
bg.DoWork += new DoWorkEventHandler(bg_DoWork);
bg.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bg_RunWork...
Convert java.time.LocalDate into java.util.Date type
...your date chooser uses the system default timezone to transform dates into strings.
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Deleting all files from a folder using PHP?
...link:
/**
* Delete a file or recursively delete a directory
*
* @param string $str Path to file or directory
*/
function recursiveDelete($str) {
if (is_file($str)) {
return @unlink($str);
}
elseif (is_dir($str)) {
$scan = glob(rtrim($str,'/').'/*');
foreach($...
How to find all links / pages on a website
...d contents. Target tags are IMG and A for standard HTML. For JAVA,
final String openingTags = "(<a [^>]*href=['\"]?|<img[^> ]* src=['\"]?)";
this along with Pattern and Matcher classes should detect the beginning of the tags. Add LINK tag if you also want CSS.
However, it is not as ...
Is it possible in Java to access private fields via reflection [duplicate]
...a different class.
import java.lang.reflect.*;
class Other
{
private String str;
public void setStr(String value)
{
str = value;
}
}
class Test
{
public static void main(String[] args)
// Just for the ease of a throwaway test. Don't
// do this normally!...