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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
...{
local @ARGV = @_;
local @_ = <>;
@_;
}
It just reads from /sys/class/net/$dev/statistics every second, and prints out the current numbers and the average rate of change:
$ ./net_stats.pl eth0
rx_bytes : 74457040115259 4369093 4797875 4206554 364088
rx_pa...
When NOT to use Cassandra?
...ur balance($100), and the second ATM does the same. Both ATMs deduct $100 from $100 and write the final balance of $0 back to your account. Result: the bank loses $100.
– Seun Osewa
May 1 '10 at 21:42
...
A non well formed numeric value encountered
...inted in the function definition. "4" represented by a string is different from 4 represented by an integer. So either conform to the function definition or turn off strict types, if you truly need to coalesce 'similar' values, e.g. string "4" to integer 4.
– parttimeturtle
...
How to make an ImageView with rounded corners?
...ke his code, this is a really hard thing to find. If you can't see a crash from the app because of OOM, you can rotate the app multiple times till it occurs (depends on your device, ROM, etc...) . I've reported about it in the past here: stackoverflow.com/questions/14109187/…
...
vertical divider between two columns in bootstrap
...left: -1px;
}
}
In scss you can generate all needed classes probably from this:
scss:
@media(min-width: $screen-md-min) {
.col-md-border {
&:not(:last-child) {
border-right: 1px solid #d7d7d7;
}
& + .col-md-border {
border-left: ...
What is the fastest way to compute sin and cos together?
...
My old gcc 3.4.4 from cygwin produces 2 separate calls to fsin and fcos. :-(
– Vlad
Apr 21 '10 at 15:19
...
Use underscore inside Angular controllers
...elf to the window object, and so is available globally.
So you can use it from Angular code as-is.
You can also wrap it up in a service or a factory, if you'd like it to be injected:
var underscore = angular.module('underscore', []);
underscore.factory('_', ['$window', function($window) {
retur...
Can you set a border opacity in CSS?
...The only hitch is whether you want to stick to W3C standards or step aside from it to create something in CSS.
To use W3C online CSS validator / Direct Input.
Always a good idea to use a validator to check your work, it really helps finding small or even large errors in coding when your going cros...
Determining if an Object is of primitive type
...is auto-boxing. This would explain the output you are receiving. This page from the Java 1.5 spec explains auto-boxing more in detail.
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What exactly is a Maven Snapshot and why do we need it?
...lease, and Maven will periodically attempt
to download the latest snapshot from a repository when you run a build. Similarly, if
the next release of your system is going to have a version “1.8,” your project would
have a “1.8-SNAPSHOT” version until it was formally released.
For example , t...