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Which rows are returned when using LIMIT with OFFSET in MySQL?
...onfused i was thinking that it returns the data between the two digits but now its clear :)
– MR_AMDEV
Sep 16 '18 at 15:09
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SparseArray vs HashMap
...n Android object it needs to be mocked for unit testing. Where possible I now use Java's own objects to simplify testing.
– David G
Mar 20 '17 at 16:29
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IN vs OR in the SQL WHERE Clause
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I assume you want to know the performance difference between the following:
WHERE foo IN ('a', 'b', 'c')
WHERE foo = 'a' OR foo = 'b' OR foo = 'c'
According to the manual for MySQL if the values are constant IN sorts the list and then uses a bi...
CASCADE DELETE just once
...ked for deletion to prevent infinite loops. Please test it out and let me know how it works for you. Note: It's a little slow.
I call it like so:
select delete_cascade('public','my_table','1');
create or replace function delete_cascade(p_schema varchar, p_table varchar, p_key varchar, p_recursion v...
Android AsyncTask testing with Android Test Framework
... testSomeAsynTask () throws Throwable {
// create a signal to let us know when our task is done.
final CountDownLatch signal = new CountDownLatch(1);
/* Just create an in line implementation of an asynctask. Note this
* would normally not be done, and is just here for completenes...
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
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@porneL HTML5 added them, and then removed them, and now the bug is reopened. Interestingly, I've seen some documentation that still has them in there. Here's the bug if you want to follow along at home: w3.org/Bugs/Public/show_bug.cgi?id=10671
– Emil L...
Why cast unused return values to void?
...s the motivation for this, to explicitly show other "developers" that you know this function returns but you're explicitly ignoring it.
This is a way to ensure that where necessary error codes are always handled.
I think for C++ this is probably the only place that I prefer to use C-style casts to...
How can I use “sizeof” in a preprocessor macro?
...rns out - as the article even says - I am building Linux kernel code right now - and there is a define already in the kernel - BUILD_BUG_ON - where the kernel uses it for things like: BUILD_BUG_ON(sizeof(char) != 8)
– Brad
Nov 2 '10 at 16:30
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Rails ActionMailer - format sender and recipient name/email address
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It looks like the Mail gem now dupes the string passed in, so name.dup doesn't seem necessary anymore. Source reads: @display_name = str.nil? ? nil : str.dup
– philoye
Sep 7 '16 at 4:38
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Only detect click event on pseudo-element
... pointer-events:auto;
}
When the event target is your "p" element, you know it is your "p:before".
If you still need to detect mouse events on the main p, you may consider the possibility to modify your HTML structure. You can add a span tag and the following style:
p span {
background:#393...