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Converting int to bytes in Python 3
... namely the byte value used to encode the digit "3" in ASCII, ie. bytes([51]), which is b'3', not b'\x03'.
– lenz
Apr 1 '17 at 21:13
2
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Including one C source file in another?
....h. If you use include guards, these will produce no code and introduce no new names (you may end up with some empty segments during linkage). The huge advantage is that other tools (e.g. IDEs) will treat these files appropriately.
...
Group a list of objects by an attribute : Java
... locationID as key.
HashMap<Integer, List<Student>> hashMap = new HashMap<Integer, List<Student>>();
Iterate over this code and add students to the HashMap:
if (!hashMap.containsKey(locationId)) {
List<Student> list = new ArrayList<Student>();
list.add...
What's the need of array with zero elements?
...y sure the kernel developers are constantly updating old code according to new standards or new optimizations. It's just too big to make sure everything is updated!
– Shahbaz
Feb 1 '13 at 14:51
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JPA eager fetch does not join
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JPA doesn't provide any specification on mapping annotations to select fetch strategy. In general, related entities can be fetched in any one of the ways given below
SELECT => one query for root entities + one query for related mapped e...
Replace Fragment inside a ViewPager
...s ViewPager to keep all current pages, and consequently not attaching your new page. Thus, to make fragment replacement work, getItemPosition() needs to be overridden in your adapter and must return POSITION_NONE when called with an old, to be hidden, fragment as argument.
This also means that your...
Application Crashes With “Internal Error In The .NET Runtime”
...might be using. Suspect environmental problems if there is no obvious candidate, misbehaving malware scanners are notorious. If it repeats very poorly then suspect hardware problems like soft RAM errors.
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Best way to do multiple constructors in PHP
...tuff
}
public static function withID( $id ) {
$instance = new self();
$instance->loadByID( $id );
return $instance;
}
public static function withRow( array $row ) {
$instance = new self();
$instance->fill( $row );
return $instan...
Update a record without first querying?
...eCommand
("UPDATE items SET itemstatus = 'some status' WHERE id = {0}", new object[] { 123 });
UPDATE - for EF 6.0
dataEntity.Database.ExecuteSqlCommand
("UPDATE items SET itemstatus = 'some status' WHERE id = {0}", new object[] { 123 });
...
Do you have to restart apache to make re-write rules in the .htaccess take effect?
... for decentralized management of configuration via special files placed inside the web tree. The special files are usually called .htaccess, but any name can be specified in the AccessFileName directive... Since .htaccess files are read on every request, changes made in these files take immediate ef...