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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
...of the last sync (table sync_info). It will also create SQLite triggers in order to watch the INSERT or UPDATE on the tables you want to synchronize (to automatically insert the modified elements in the new_elem table):
DBSYNC.initSync(TABLES_TO_SYNC, webSqlDb, sync_info, 'http://www.myserver.com',...
Adding a column to an existing table in a Rails migration
..., you're adding the column and then creating the table.
If you change the order it might work. Or, as you're modifying an existing migration, just add it to the create table instead of doing a separate add column.
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Does a finally block always get executed in Java?
...ent, then any finally clauses of those try statements will be executed, in order, innermost to outermost, before control is transferred to the invoker of the method or constructor. Abrupt completion of a finally clause can disrupt the transfer of control initiated by a return statement.
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When should I use Memcache instead of Memcached?
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Using pip behind a proxy with CNTLM
... at work:
pip install --proxy=https://user@mydomain:port somepackage
In order to update, add -U.
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using href links inside tag
...s that use form controls to change the presentation of the page (eg., sort order.) These can be implemented either by AJAX to load new content into the page, or, in older implementations, by triggering new page loads, which is essentially a page link.
IMHO these are valid uses of a form control.
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Should arrays be used in C++?
... often preferable to using a vector (and std::string), since it
avoids all order of initialization issues; the data is pre-loaded,
before any actual code can be executed.
Finally, related to the above, the compiler can calculate the actual
size of the array from the initializers. You don't have to ...
Create a new object from type parameter in generic class
...ne of the above examples worked for me as they required a concrete type in order to call the factory method.
After researching for awhile on this and unable to find a solution online, I discovered that this appears to work.
protected activeRow: T = {} as T;
The pieces:
activeRow: T = {} <...
Limit a stream by a predicate
...essarily parallelize such an operation, as you have to look at elements in order.
The API doesn't provide an easy way to do it, but what's probably the simplest way is to take Stream.iterator(), wrap the Iterator to have a "take-while" implementation, and then go back to a Spliterator and then a St...
How to remove EXIF data without recompressing the JPEG?
...runcates.
2) Because this is for Nikon format, it assumes big endian byte order. If your image file uses little endian, some adjustments need to be made.
3) When trying to use ImageMagick to strip exif data, I noticed that I ended up with a larger file than what I started with. This leads me to ...