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Advantages and disadvantages of GUID / UUID database keys
...visible to the user.
public ID is generated ONCE from some field (e.g. the title - make it the-title-of-the-article)
UPDATE:
So this one gets +1'ed a lot, and I thought I should point out a big downside of GUID PK's: Clustered Indexes.
If you have a lot of records, and a clustered index on a GUID...
What does “./bin/www” do in Express 4.x?
.../ directory serves as a location where you can define your various startup scripts. The www is an example to start the express app as a web server.
Ultimately, you could have different scripts like test, stop, or restart, etc. Having this structure allows you to have different startup configuration...
Send string to stdin
...(I know it can be done with the pipe as follows: echo -e "\x01\x02..." | ./script)
– cprcrack
Dec 3 '12 at 2:25
I like...
Rails: Open link in new tab (with 'link_to')
... to downvote you, but this page is specifically about Ruby's link_to (from title).
– Herb Meehan
Sep 9 '15 at 23:29
1
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What is the shortest way to pretty print a org.w3c.dom.Document to stdout?
...
html -> head -> meta -> title -> body -> If I place a space of string as the spacer above is the result is what I get. Is it what its intended to do? A full print of the XML is what is needed I think when it meants pretty printed.
...
memory_get_peak_usage() with “real usage”
...
Ok, lets test this using a simple script:
ini_set('memory_limit', '1M');
$x = '';
while(true) {
echo "not real: ".(memory_get_peak_usage(false)/1024/1024)." MiB\n";
echo "real: ".(memory_get_peak_usage(true)/1024/1024)." MiB\n\n";
$x .= str_repeat(' ',...
RadioButton单选按钮扩展集合 · App Inventor 2 中文网
... function HideORDispFeedback() { $("#feedback").toggle();}function makeTitleDraggable(element, titleElement) { let isDragging = false; let offsetX, offsetY; // 只在标题栏上按下时开始拖动 titleElement.onmousedown = function(e) { isDragging = true; offset...
Leaflet - How to find existing markers, and delete markers?
... JSFiddle code . Also here is the full page demo.
Adding the marker :
// Script for adding marker on map click
map.on('click', onMapClick);
function onMapClick(e) {
var geojsonFeature = {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Poi...
Why does Node.js' fs.readFile() return a buffer instead of string?
... This is the only answer that actually answers the question in the title.
– frzsombor
May 3 '19 at 8:33
...
Convert int to ASCII and back in Python
...ding would be most applicable. I had arrived on this question based on the title, literally converting an integer to ascii text as if the integer has ascii encoded data embedded in its bytes. I posted this answer in the event others arrived here with the same desired outcome.
–...