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How can I convert an image into Base64 string using JavaScript?
...oDataURL(outputFormat);
callback(dataURL);
};
img.src = src;
if (img.complete || img.complete === undefined) {
img.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
img.src = src;
}
}
toDataURL(
'https://www.gravatar.com/avatar/d50c83cc...
Do checkbox inputs only post data if they're checked?
...standard behaviour for browsers to only send the checkbox input value data if it is checked upon form submission?
12 Answer...
Haskell: Converting Int to String
...scourage the use of "show" because of its extreme polymorphism. A type-specific function (or, worst case, wrapper around show) would be helpful.
– Jon Watte
Mar 27 '15 at 16:34
...
How to get the last date of a particular month with JodaTime?
...calDate.Property which represents the "day of month" field in a way which knows the originating LocalDate.
As it happens, the withMaximumValue() method is even documented to recommend it for this particular task:
This operation is useful for obtaining a LocalDate on the last day of the month, as mo...
how to change directory using Windows command line
...
this does not work if cd command is executed for environment variable, for example cd %temp%. In case if current drive differs from temp folder drive cd %temp% do nothing. cd /d %temp% should be used as @Stephan said
– ole...
Convert SQLITE SQL dump file to POSTGRESQL
...ed my local database with a huge amount of data and need to transfer a specific table to the production database.
7 Answers...
How to define an enumerated type (enum) in C?
...IMMEDIATE;
It's a style question whether you prefer typedef. Without it, if you want to refer to the enumeration type, you need to use enum strategy. With it, you can just say strategy.
Both ways have their pro and cons. The one is more wordy, but keeps type identifiers into the tag-namespace whe...
Allow user to select camera or gallery for image
... void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == RESULT_OK) {
if (requestCode == YOUR_SELECT_PICTURE_REQUEST_CODE) {
final boolean isCamera;
if (data == null) {
isCamera = true;
} else {
...
Is JavaScript a pass-by-reference or pass-by-value language?
...itive types (number, string, etc.) are passed by value, but objects are unknown, because they can be both passed-by-value (in case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object holds the o...
How to center align the cells of a UICollectionView?
...ine. The first 0, is the top edge argument, you could adjust that one too, if you want to center the content vertically in the screen.
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