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INSERT … ON DUPLICATE KEY (do nothing)
...nge if there is entry matches unique key or primary key but auto-increment index will increase by 1
some other errors/warnings will be ignored such as data conversion error.
3. INSERT ... ON DUPLICATE KEY UPDATE
pros:
you can easily implement 'save or update' function with this
cons:
loo...
How to pick an image from gallery (SD Card) for my app?
...ull, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String filePath = cursor.getString(columnIndex);
cursor.close();
Bitmap yourSelectedImage = BitmapFactory.decodeFile(filePath);
}...
Dynamically creating keys in a JavaScript associative array
...tion. You won't be able to refer to the array values in a for loop with an index (such as myarray[i]). Hope that's not too confusing.
– MK_Dev
Dec 9 '08 at 2:15
4
...
Skip Git commit hooks
...tster -- in commit c3e034f, 23 Aug 2017)
commit: skip discarding the index if there is no pre-commit hook
"git commit" used to discard the index and re-read from the filesystem
just in case the pre-commit hook has updated it in the middle; this
has been optimized out when we know we d...
How do I execute a stored procedure once for each row returned by query?
...
Make sure you check your indexes on the JOINS and WHERE clauses in the fields used in your stored procedure. I dramatically sped up calling my SP in a loop after adding appropriate indexes.
– Matthew
Feb 16 '18 ...
How to use R's ellipsis feature when writing your own function?
...
You need to read up on indexing. The minus means 'exclude', i.e. print(c(1:3)[-1]) will print 2 and 3 only. The L is a new-fangled way to ensure it ends up as a integer, this is done a lot in the R sources.
– Dirk Eddelbuettel...
Load “Vanilla” Javascript Libraries into Node.js
...e_modules/quadtree/quadtree-lib/some-other-crap.js
./node_modules/quadtree/index.js
Everything in your ./node_modules/quadtree/quadtree-lib/ directory are files from your 3rd party library.
Then your ./node_modules/quadtree/index.js file will just load that library from the filesystem and do the...
Reset/remove CSS styles for element only
...normal;
widows : 0;
width : auto;
word-spacing : normal;
z-index : auto;
/* basic modern patch */
all: initial;
all: unset;
}
/* basic modern patch */
#reset-this-root {
all: initial;
* {
all: unset;
}
}
Relevent github repo with a december 2017 m...
How do you loop through each line in a text file using a windows batch file?
...
It's worth pointing out that the index parameter in your loop must be a single character. So for example %%i is fine but %%index will fail.
– Vincent
Mar 6 at 20:12
...
Installing Java 7 on Ubuntu
....tar.gz file from https://www.oracle.com/technetwork/java/javase/downloads/index.html.
Extract this file where you want. like: /home/java(Folder name created by user in home directory).
Now open terminal.
Set path JAVA_HOME=path of your jdk folder(open jdk folder then right click on any folder, g...