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how do i remove a comma off the end of a string?
... Good suggestion. However, not all concatenations may take place in PHP. In my case, I am sending a Javascript concatenated string for PHP to unravel.
– Sablefoste
Sep 11 '15 at 19:49
...
Get the first N elements of an array?
...
Use array_slice()
This is an example from the PHP manual: array_slice
$input = array("a", "b", "c", "d", "e");
$output = array_slice($input, 0, 3); // returns "a", "b", and "c"
There is only a small issue
If the array indices are meaningful to you, remember that ar...
Find duplicate lines in a file and count how many time each line was duplicated?
...iq -c | grep -v '^ *1 '
For the given example, the result would be:
3 123
2 234
If you want to print counts for all lines including those that appear only once:
sort FILE | uniq -c
or, with GNU long options (on Linux):
sort FILE | uniq --count
For the given input, the output is:
...
The difference between sys.stdout.write and print?
... open('log.txt', 'w') # redirect all prints to this log file
print("testing123") # nothing appears at interactive prompt
print("another line") # again nothing appears. it's written to log file instead
sys.stdout.close() # ordinary file object
sys.stdout = tem...
【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...
...理解。帮助人们一眼就能看到他们在生活或社区中关心的问题发生了什么。你喜欢用哪些不同方式的图像和图形来理解数据?所有的数据都留在App中，直到你按下Reset按钮。在本系列中，你可以查看以下指南，了解如何将数据发送...
how to set textbox value in jquery
...
I think you want to set the response of the call to the URL 'compz.php?prodid=' + x + '&qbuys=' + y as value of the textbox right? If so, you have to do something like:
$.get('compz.php?prodid=' + x + '&qbuys=' + y, function(data) {
$('#subtotal').val(data);
});
Reference: get...
Troubleshooting “The use statement with non-compound name … has no effect”
...
PHP's use isn't the same as C++'s using namespace; it allows you to define an alias, not to "import" a namespace and thus henceforth omit the namespace qualifier altogether.
So, you could do:
use Blog\Article as BA;
... t...
Get the new record primary key ID from MySQL insert query?
... table1 in table2. Is concurrency taken care of or will I have to do it in PHP manually, for incoming database write requests?
– bad_keypoints
Sep 16 '13 at 7:46
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Similarity String Comparison in Java
...id main(String[] args) {
printSimilarity("", "");
printSimilarity("1234567890", "1");
printSimilarity("1234567890", "123");
printSimilarity("1234567890", "1234567");
printSimilarity("1234567890", "1234567890");
printSimilarity("1234567890", "1234567980");
printSimilarity(...
Determine the data types of a data frame's columns
...7.6, 167.6...
$ hp <dbl> 110, 110, 93, 110, 175, 105, 245, 62, 95, 123, 123, 180, 180, 180, 205, 215...
$ drat <dbl> 3.90, 3.90, 3.85, 3.08, 3.15, 2.76, 3.21, 3.69, 3.92, 3.92, 3.92, 3.07, 3.0...
$ wt <dbl> 2.620, 2.875, 2.320, 3.215, 3.440, 3.460, 3.570, 3.190, 3.150, 3.440, 3...