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How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
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Also note the that the 'new' syntax strangely have a performance penalty linear with the @skip! The row_number approach does NOT have this (only tested on indexed order). For lo @Skip less about 20, the new syntax is faster than the row_number appro...
Is JavaScript guaranteed to be single-threaded?
... it can be possible for someone to write a javascript api that also spawns new javascript threads, but the api would be rhino-specific (e.g. node can only spawn a new process).
I imagine that even for an engine that supports multiple threads in javascript there should be compatibility with scripts t...
How do I run IDEA IntelliJ on Mac OS X with JDK 7?
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Wim Deblauwe, should be fixed in new version of mac-java-launcher.
– wonder.mice
Aug 13 '14 at 22:21
add a comment
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scp (secure copy) to ec2 instance without password
... Since this answer is a little old, a more recent example from my new EC2 instance: scp -i kp1.pem ./file.txt ec2-user@1.2.3.4:/home/ec2-user
– siliconrockstar
Jan 11 '15 at 21:46
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What is the most efficient way to store tags in a database?
...ting tags for specific items MUCH more simple. You don't have to create a new tag, remove the allocation of the old one and re-allocate a new one, you just edit the tagname.
For displaying a list of tags, you simply use DISTINCT or GROUP BY, and of course you can count how many times a tag is used...
SQL Group By with an Order By
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How to change the map center in Leaflet.js
...the map based on user location. How do I change the center of the map to a new position after calling the initialize function?
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How to Animate Addition or Removal of Android ListView Rows
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anim.setDuration(500);
listView.getChildAt(index).startAnimation(anim );
new Handler().postDelayed(new Runnable() {
public void run() {
FavouritesManager.getInstance().remove(
FavouritesManager.getInstance().getTripManagerAtIndex(index)
);
populateList();
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How do I toggle an element's class in pure JavaScript?
... toogleClass(ele, class1) {
var classes = ele.className;
var regex = new RegExp('\\b' + class1 + '\\b');
var hasOne = classes.match(regex);
class1 = class1.replace(/\s+/g, '');
if (hasOne)
ele.className = classes.replace(regex, '');
else
ele.className = classes + class1;
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Find object in list that has attribute equal to some value (that meets any condition)
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@agf Wow I literally had no idea that existed.. book.pythontips.com/en/latest/for_-_else.html cool!
– ThatTechGuy
Feb 4 '18 at 18:50
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