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Improve INSERT-per-second performance of SQLite
...NT(*) FROM table
then read in pages (LIMIT/OFFSET):
SELECT * FROM table ORDER BY _ROWID_ LIMIT <limit> OFFSET <offset>
where and are calculated per-thread, like this:
int limit = (count + n_threads - 1)/n_threads;
for each thread:
int offset = thread_index * limit
For our sm...
What is the purpose of Flask's context stacks?
...here must be some mechanism to determine what the "current" request is (in order to do things such as request.path).
Putting these ideas together, it should also make sense that Flask must have some way to determine what the "current" application is!
You probably also have code similar to the foll...
How do I convert an NSString value to NSData?
...There are two problems: One, UTF-16 and UTF-32 need to have the right byte-ordering. Two, whoever converts it back to an NSString* must know the encoding, and often will assume UTF-8 encoding. Generally, UTF-8 is most likely to be handled correctly.
– gnasher729
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Change font color for comments in vim
...t was because that line came before the line syntax on, once i swapped the order, it worked fine..
– guskenny83
Jun 23 '16 at 3:51
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Storing integer values as constants in Enum manner in java [duplicate]
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EDIT:
The only problem with doing this is that if you add, remove or reorder the enum values you will break the system. For many this is not an issue as they will not remove enums and will only add additional values to the end. It is also no worse than integer constants which also require you no...
Initializing a static std::map in C++
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No, the danger is that there is nothing saying in which order the static variables should be initialized (at least across compilation units). But this is not a problem linked to this question. This is a general problem with static variables.
– PierreBdR
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Disable dragging an image from an HTML page
...ento so my div like : <div class="product-img-box"> <?php echo $this->getChildHtml('media') ?> </div> How can i restrict right click and no draggable my image div. @dmo
– Gem
Jan 22 '19 at 5:55
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Get real path from URI, Android KitKat new storage access framework [duplicate]
... Commonly we use the path to get Exif tags of the image, e.g. in order determine if the image needs to be rotated for display. By copying the stream to a new file, aren't exif tags lost? I tried writing the bitmap from the inputStream through a FileOutputStream, but I couldn't recover the ...
Android file chooser [closed]
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Converting a JS object to an array using jQuery
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@KarelBílek Is iteration order for a JS object ever guaranteed? 'An object is a member of the type Object. It is an unordered collection of properties each of which contains a primitive value, object, or function.'
– Meshaal
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