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Is there any difference between “!=” and “” in Oracle Sql?
...than or greater than", to me, seems to assume the datatype has an implicit ordering (which is not necessarily true, although it is true for all the SQL datatypes), whereas != is saying "not equal" in a very pure sense.
– Jeffrey Kemp
May 23 '12 at 2:07
...
window.onload vs $(document).ready()
... you are asking, it's based on how you structure your page, including what order you place the js files. Here is a link that goes into more detail: ablogaboutcode.com/2011/06/14/… HTH, James
– James Drinkard
Aug 12 '15 at 14:34
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Difference between initLoader and restartLoader in LoaderManager
...to load that data. Let's assume we use a CursorLoader querying a table for orders. If a new order is added to that table the CursorLoader uses onContentChanged() to inform the UI to update and show the new order (no need to use restartLoader in this case). If we want to display only open orders we n...
Context switches much slower in new linux kernels
...able
plain old Unix signals
I had to add
#include <stdint.h>
in order to compile, which I did with this command
g++ -O3 -o condvar-perf condvar-perf.cpp -lpthread -lrt
On kernel 2.6.32
$ ./condvar-perf 1000000
NPTL
mutex elapsed: 29085 us; per iteration: 29 ns / 9...
ssh: connect to host github.com port 22: Connection timed out
...
I had to remove the .git from the url in order for this to work for me. url = github.com/username/repo
– Jesse Buss
Dec 21 '17 at 15:38
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Can I write a CSS selector selecting elements NOT having a certain class or attribute?
...on selector.
You can use :not to exclude any subset of matched elements, ordered as you would normal CSS selectors.
Simple example: excluding by class
div:not(.class)
Would select all div elements without the class .class
div:not(.class) {
color: red;
}
<div>Make me red!</d...
How do I set $PATH such that `ssh user@host command` works?
...tive mode checks for these files, and uses the first existing one, in this order:
~/.bash_profile
~/.bash_login
~/.profile
So if you have an ~/.bash_profile, then whatever changes you do to ~/.profile will be left unseen.
Bash in non-interactive mode sometimes reads the file ~/.bashrc (which is...
Hudson or Teamcity for continuous integration? [closed]
...wards compatibility. Plugins don't generally require the latest Hudson in order to work. In fact, 130 plugins available now are built against Hudson versions that are over a year old. If you're still concerned, there's an automated rollback plugin in the works.. ;)
– Christo...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...similar these texts are, purely in terms of word counts (and ignoring word order). We begin by making a list of the words from both texts:
me Julie loves Linda than more likes Jane
Now we count the number of times each of these words appears in each text:
me 2 2
Jane 0 1
Julie 1 ...
Is gettimeofday() guaranteed to be of microsecond resolution?
...s the CPU's execution buffer
so that the timings aren't affected by out-of-order execution.
execute the rdtsc (read timestamp) execution. This fetches the number of
machine cycles executed since the processor was reset. This is a 64-bit
value, so with current CPU speeds it will wrap around every 1...