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How to generate a create table script for an existing table in phpmyadmin?
...; Click on Go
Copy Create Table query and paste where you want to create new table.
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Postgres: How to do Composite keys?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f1285967%2fpostgres-how-to-do-composite-keys%23new-answer', 'question_page');
}
);
...
SQL Server indexes - ascending or descending, what difference does it make?
...of logical fragmentation. If the index is created with keys descending but new rows are appended with ascending key values then you can end up with every page out of logical order. This can severely impact the size of the IO reads when scanning the table and it is not in cache.
See the fragmentatio...
Can overridden methods differ in return type?
...idden method may have a more specific return type. That is, as long as the new return type is assignable to the return type of the method you are overriding, it's allowed.
For example:
class ShapeBuilder {
...
public Shape build() {
....
}
class CircleBuilder extends ShapeBuilder{
...
How to format a duration in java? (e.g format H:MM:SS)
...
long duration = 4 * 60 * 60 * 1000;
SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss.SSS", Locale.getDefault());
log.info("Duration: " + sdf.format(new Date(duration - TimeZone.getDefault().getRawOffset())));
...
Why does Git treat this text file as a binary file?
...
I had this same problem after editing one of my files in a new editor. Turns out the new editor used a different encoding (Unicode) than my old editor (UTF-8). So I simply told my new editor to save my files with UTF-8 and then git showed my changes properly again and didn't see it...
Re-sign IPA (iPhone)
...submission with no devices added in the provisioning profile. Results in a new IPA signed with a enterprise account and a mobile provisioning profile for in house deployment (the mobile provisioning profile gets embedded to the IPA).
Solution:
Unzip the IPA
unzip Application.ipa
Remove old Code...
Double not (!!) operator in PHP
... @Theo, It's actually one operator? Does the interpreter consider !! equal to (bool) in this case? Or will different machine code be run depending on which one is used?
– Pacerier
Mar 30 '15 at 12:00
...
Convert to/from DateTime and Time in Ruby
...ion of a day.
offset = Rational(utc_offset, 60 * 60 * 24)
DateTime.new(year, month, day, hour, min, seconds, offset)
end
end
Similar adjustments to Date will let you convert DateTime to Time .
class Date
def to_gm_time
to_time(new_offset, :gm)
end
def to_local_time
to_...
How can I update a single row in a ListView?
I have a ListView which displays news items. They contain an image, a title and some text. The image is loaded in a separate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is g...