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How to detect UI thread on Android?
...rs and is becomming rather big and complex. What I want to do is to add an extra safety net, an assert that catches the misstake if somebody is calling a method that is designed to only be called from the GUI-thread from another thread.
– ParDroid
May 17 '10 at...
Is there are way to make a child DIV's width wider than the parent DIV using CSS?
...position:relative
The 2 drawbacks of this workaround method is:
Require extra markup (i.e a grandparent element (just like the good ol' table vertical align method isn't it...)
The left and right border of the Child DIV will never show, simply because they are outside of the browser's viewport.
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What is the difference between -viewWillAppear: and -viewDidAppear:?
...ke a long time to execute, like for example doing a webservice call to get extra data for the form above.The good thing is that because the view already exists and is being displayed to the user, you can show a nice "Waiting" message to the user while you get the data.
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Difference between solr and lucene
...with HTTP API instead of Java API, Solr is for you. Solr has also got some extra features on top (e.g. grouping).
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How to check if an app is installed from a web-page on an iPhone?
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To further the accepted answer, you sometimes need to add extra code to handle people returning the browser after launching the app- that setTimeout function will run whenever they do. So, I do something like this:
var now = new Date().valueOf();
setTimeout(function () {
if (ne...
Java compile speed vs Scala compile speed
... files. Depending on the size of your classpath this can take one to three extra seconds.
Overall, expect a startup overhead of scalac of 4-8 seconds, longer if you run it the first time so disk-caches are not filled.
Scala's answer to startup overhead is to either use fsc or to do continuous bui...
How to Right-align flex item?
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@Zanshin13 The other answers all write so much extra css that you might as well leave out the flex container and code the whole thing yourself :)
– Kokodoko
Aug 15 '17 at 14:12
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Send a pull request on GitHub for only latest commit
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Why on earth do I need an extra branch, only to create a PR for a single changed line of code?! Did anyone at github think this through?
– CodeManX
Aug 20 '15 at 1:31
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jQuery append() vs appendChild()
... and answered question and I'm not looking for votes I just want to add an extra little thing that I think might help newcomers.
yes appendChild is a DOM method and append is JQuery method but practically the key difference is that appendChild takes a node as a parameter by that I mean if you want ...
Is a Java hashmap search really O(1)?
... 2 = (n / capacity)2
This is much lower. Since the cost of handling one extra collision is irrelevant to Big O performance, we've found a way to improve performance without actually changing the algorithm! We can generalzie this to
pcollision x k = (n / capacity)k
And now we can disregard...