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Converting an integer to a hexadecimal string in Ruby
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How should I use try-with-resources with JDBC?
...);
PreparedStatement ps = con.prepareStatement(sql)) {
ps.setInt(1, userId);
try (ResultSet rs = ps.executeQuery()) {
while(rs.next()) {
users.add(new User(rs.getInt("id"), rs.getString("name")));
}
}
} catch (SQLException ...
Java - No enclosing instance of type Foo is accessible
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How do I show/hide a UIBarButtonItem?
... toolbar and animate it
[toolbarButtons removeObject:self.myButton];
[self setToolbarItems:toolbarButtons animated:YES];
// This is how you add the button to the toolbar and animate it
if (![toolbarButtons containsObject:self.myButton]) {
// The following line adds the object to the end of the ...
Check if one IEnumerable contains all elements of another IEnumerable
...le<TSource> second, IEqualityComparer<TSource> comparer)
{
Set<TSource> set = new Set<TSource>(comparer);
foreach (TSource source in second)
set.Add(source);
foreach (TSource source in first)
{
if (set.Remove(source))
yield return s...
What really happens in a try { return x; } finally { x = null; } statement?
...finally block will be visible on return" is if the StringBuilder object is set to null in the finally block, in which case a non-null object is returned.
– Nick
Sep 10 '13 at 4:02
...
UITableViewCell subview disappears when cell is selected
... or highlighted ,You can Solve this problem by overriding Tableview cell's setSelected:animated and setHighlighted:animated and resetting view background color.
In Objective C :
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
UIColor *color = self.yourView.backgroundColor;
...
Which data type for latitude and longitude?
...y for most use cases.
Then cast your your imported data
SELECT
--ST_SetSRID(ST_Point(long, lat),4326) geom -- the wrong way because SRID not set in geometry_columns table
ST_Point(long, lat)::geometry(Geometry, 4326) geom
INTO target_table
FROM source_table;
Verify SRID is not zero!
SE...
Set value for particular cell in pandas DataFrame using index
...
RukTech's answer, df.set_value('C', 'x', 10), is far and away faster than the options I've suggested below. However, it has been slated for deprecation.
Going forward, the recommended method is .iat/.at.
Why df.xs('C')['x']=10 does not work:
...
What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?
...d ^^. Other hack solution but less radical could be let both installed but set JAVA_HOME to JDK 6 and put bin path of JDK 6 first in PATH.
– Ixx
May 11 '12 at 10:38
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