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When should I use a composite index?
For example, I have a homes table:
9 Answers
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Types in MySQL: BigInt(20) vs Int(20)
...an odd choice by the developers - as I would have guessed it was width + max value, or bits/etc.
– Sh4d0wsPlyr
May 25 '15 at 23:51
31
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Linux command to print directory structure in the form of a tree
Is there any linux command that I can call from a Bash script that will print the directory structure in the form of a tree, e.g.,
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Scroll to the top of the page using JavaScript?
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Number of processors/cores in command line
...running the following command to get the number of processors/cores in Linux:
10 Answers
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Python + Django page redirect
...apparently a better way of doing this in Django now using generic views.
Example -
from django.views.generic.simple import redirect_to
urlpatterns = patterns('',
(r'^one/$', redirect_to, {'url': '/another/'}),
#etc...
)
There is more in the generic views documentation.
Credit - Carl...
Could not load file or assembly … An attempt was made to load a program with an incorrect format (Sy
...rm target" dropdown in project-->properties-->build - it was set for x86; setting it to "Any CPU" fixed this issue. I always thought that this setting was the same as the "platform target" dropdown in the configuration manager, but apparently it's not (in fact, the "platform target" in config...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
.../tmp
levels=1:2
keys_zone=failover:100m
inactive=10d
max_size=10g;
upstream php {
server 127.0.0.1:9000;
server 127.0.0.1:9001;
}
server {
listen 80;
limit_conn perserver 1000;
server_name *.xip.io;
root /usr/local/www;
index inde...
CSS /JS to prevent dragging of ghost image?
...hey are trying to drag (not concern about security of the images, but the experience).
17 Answers
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UTF-8: General? Bin? Unicode?
...ral_ci collation are faster than those for the _unicode_ci collation. For example, comparisons for the utf8_general_ci collation are faster, but slightly less correct, than comparisons for utf8_unicode_ci. The reason for this is that utf8_unicode_ci supports mappings such as expansions; that is, wh...