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What is the difference between 'E', 'T', and '?' for Java generics?
...s the type for a scope, the wildcard does not: the wildcard just defines a set of allowable types that you can use for a generic type. Without any bounding (extends or super), the wildcard means "use any type here".
The wildcard always come between angle brackets, and it only has meaning in the con...
Cleanest way to build an SQL string in Java
...statements:
PreparedStatement stm = c.prepareStatement("UPDATE user_table SET name=? WHERE id=?");
stm.setString(1, "the name");
stm.setInt(2, 345);
stm.executeUpdate();
The other thing that can be done is to keep all queries in properties file. For example
in a queries.properties file can place ...
Multiple INSERT statements vs. single INSERT with multiple VALUES
...hese should be minimal.
I thought I'd look into this a bit more though so set up a loop (script) and tried adjusting the number of VALUES clauses and recording the compile time.
I then divided the compile time by the number of rows to get the average compile time per clause. The results are below
...
Where is logback encoder pattern documentation
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
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createEditor();
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else {
createEditor();
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Programmatically find the number of cores on a machine
...nBSD, etc.
int mib[4];
int numCPU;
std::size_t len = sizeof(numCPU);
/* set the mib for hw.ncpu */
mib[0] = CTL_HW;
mib[1] = HW_AVAILCPU; // alternatively, try HW_NCPU;
/* get the number of CPUs from the system */
sysctl(mib, 2, &numCPU, &len, NULL, 0);
if (numCPU < 1)
{
mib[1]...
Redirect Windows cmd stdout and stderr to a single file
...igbgotiz 2>&1 means 'redirect stream 2 to stream 1'. So you need to set up stream 1 first
– FrinkTheBrave
Aug 4 '14 at 8:31
3
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PHP: Return all dates between two dates in an array [duplicate]
...5')
);
Which should get you an array with DateTime objects.
To iterate
foreach ($period as $key => $value) {
//$value->format('Y-m-d')
}
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...
Custom circle button
...a09ad"/>
</shape>
</item>
</ripple>
And set it as background of Button in xml like this:
<Button
android:layout_width="50dp"
android:layout_height="50dp"
android:background="@drawable/round_button"
android:gravity="center_vertical|center_horizontal"
android:tex...
Import file size limit in PHPMyAdmin
...e - I checked php.ini in use via and I restarted the server. I changed the settings via Zend Server - checked the phpinfo again, and the changes are there - but no effect on the phpMyAdmin form - when trying to import data/structure with a SQL file, I'm still limited by the 2MB.
...
Get name of property as a string
(See below solution I created using the answer I accepted)
13 Answers
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