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jQuery AJAX file upload PHP
..._FILES['file']['name']);
$extension = end($test);
$name = rand(100,999).'.'.$extension;
$location = 'uploads/'.$name;
move_uploaded_file($_FILES['file']['tmp_name'], $location);
echo '<img src="'.$location.'" height="100" width="100" />';
}
...
How to pip install a package with min and max version range?
...ch isn't true in general. If you're relying on something that was added in v1.2.0, for example, == 1.* will improperly accept v1.1.0. The ~= (or >= plus < if you find that hard to read) operator is better because it encourages being correctly specific.
– Maxpm
...
HTML5: Slider with two inputs possible?
...></script>
Example usage: Creates a slider which goes from 0 to 100, and starts set to 20-80.
HTML:
<div id="slider">
</div>
JS:
var slider = document.getElementById('slider');
noUiSlider.create(slider, {
start: [20, 80],
connect: true,
range: {
'min'...
Making custom right-click context menus for my web-app
...
+100
I know this question is very old, but just came up with the same problem and solved it myself, so I'm answering in case anyone finds...
Calculate the median of a billion numbers
...f the network can be presumed to be instantaneous, for example if you have 100 cores with equal access to RAM containing the data.
Since network I/O is likely to be the bound, there might be some tricks you can play, at least for the data coming back to the control machine. For example, instead of ...
How to create a new database after initally installing oracle database 11g Express Edition?
...swd=1x4y9z
set max_log_files=32
set max_log_members=4
set max_log_history=100
set max_data_files=254
set max_instances=1
set version_dir=%ora_dir%\%version%
set db_dir=%version_dir%\%db_name%
set instl_temp_dir=%db_dir%\instl\script
set system_dir=%db_dir%\system
set user_dir=%db_dir%\user
set u...
How do I write output in same place on the console?
...loading File FooFile.txt [%d%%]\r'%i,
Demo:
import time
for i in range(100):
time.sleep(0.1)
print 'Downloading File FooFile.txt [%d%%]\r'%i,
Python 3
print('Downloading File FooFile.txt [%d%%]\r'%i, end="")
Demo:
import time
for i in range(100):
time.sleep(0.1)
print('Dow...
How do I print a double value with full precision using cout?
...= 1.1;
std::cout << std::hex << x.u64;
This will give you the 100% accurate precision of the double... and be utterly unreadable because humans can't read IEEE double format ! Wikipedia has a good write up on how to interpret the binary bits.
In newer C++, you can do
std::cout <<...
Calling shell functions with xargs
...the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
You can use the builtin printf instead of the external seq:
printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
Also, using return 0 a...
How do I view 'git diff' output with my preferred diff tool/ viewer?
...t worktree to something other than HEAD (e.g. a tag)
git difftool --commit=v1.0.0 [-- <filename>*]
Note: since Git 2.5, git config diff.tool winmerge is enough!
See "git mergetool winmerge"
And since Git 1.7.11, you have the option --dir-diff, in order to to spawn external diff tools that ca...