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How to install packages using pip according to the requirements.txt file from a local directory?
...
This works for me:
$ pip install -r requirements.txt --no-index --find-links file:///tmp/packages
--no-index - Ignore package index (only looking at --find-links URLs instead).
-f, --find-links <URL> - If a URL or path to an html file, then parse for links to archives.
If...
Reset PHP Array Index
...merica" );
$arrayValues = array_values($array);// returns all values with indexes
echo '<pre>';
print_r($arrayValues);
echo '</pre>';
Output:
Array
(
[0] => Hello
[1] => Moo
[2] => America
)
You want to get keys of an array:
$arrayKeys = array_keys($array);// ...
How do I change an HTML selected option using JavaScript?
...).options[0].selected = 'selected';
}
/**
* Set Select Box Selection By Index
* @param eid Element ID
* @param eindx Element Index
*/
function setSelectBoxByIndex(eid, eindx) {
document.getElementById(eid).getElementsByTagName('option')[eindx].selected = 'selected';
//or
document....
Hard reset of a single file
...hich will update both the working copy of my-file.txt and its state in the index with that from HEAD.
-- basically means: treat every argument after this point as a file name. More details in this answer. Thanks to VonC for pointing this out.
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List of Big-O for PHP functions
...nd
array_pop/array_push is faster than array_shift/array_unshift due to re-index penalty
Lookups:
array_key_exists O(n) but really close to O(1) - this is because of linear polling in collisions, but because the chance of collisions is very small, the coefficient is also very small. I find you tr...
Difference between solr and lucene
...ition to what Lucene offers.
@darkheir: Lucene is used to create a search index and Solr use this index to perform searches. Am I right or is this a totally different approach?
4) Lucene doesn't just create the Index for the consumption by Solr. Lucene handles all the search related operations. An...
Tactics for using PHP in a high-load site
...generated, consider writing out html or php to the disk. You could have an index.php page that looks on disk for the article, if it's there, it streams it to the client. If it isn't, it generates the article, writes it to the disk and sends it to the client. Deleting files from the disk would cause ...
Get current URL with jQuery?
...
http://www.refulz.com:8082/index.php#tab2?foo=789
Property Result
------------------------------------------
host www.refulz.com:8082
hostname www.refulz.com
port 8082
protocol http:
pathname index.php
href http://www....
Rebuild IntelliJ project indexes
...
how do you get intelliJ to only index certain folders?
– FutuToad
Jan 24 '14 at 17:51
3
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Django - iterate number in for loop of a template
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Django provides it. You can use either:
{{ forloop.counter }} index starts at 1.
{{ forloop.counter0 }} index starts at 0.
In template, you can do:
{% for item in item_list %}
{{ forloop.counter }} # starting index 1
{{ forloop.counter0 }} # starting index 0
# do your st...