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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...stfix-2.9.1
courier-authlib-0.62.4.tar.bz2
extmail-1.2.tar.gz
extman-1.1.tar.gz
Unix-Syslog-1.1.tar.gz
perl-GD-2.35-1.el5.rf.i386.rpm
rrdtool-1.2.23
Time-HiRes-1.9725.tar.gz
File-Tail-0.99.3.tar.gz
一、环境配置
1、安装一下过程中所依赖的一些rpm包
yum ...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，WhatsApp的Push消息很不及时，体验非常差。
3. GCM研究
3.1 GCM特点
a）Android2.2以下的手机不支持GCM，2.2到3.0需要安装Google Store并设置Google帐号，4.04及以上版本不需要设置帐号也能支持。
b）GCM只传递数据（可以传递小于4kb的数...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
...s are: bytesToSize(1000) // return "1 KB" / bytesToSize(1100) // return "1.1 KB" / bytesToSize(1110) // return "1.11 KB / bytesToSize(1111) // also return "1.11 KB"
– MathieuLescure
Mar 25 '15 at 15:19
...
Replacement for “rename” in dplyr
...ain produces the following (note that the changes function requires dplyr .1.1)
> dplyr:::changes(mtcars, dat)
Changed variables:
old new
disp 0x108b4b0e0 0x108b4e370
hp 0x108b4b210 0x108b4e4a0
drat 0x108b4b340 0x108b4e5d0
wt 0x108b4b470 0x108b4e...
Convert Existing Eclipse Project to Maven Project
...dd the conversion process has been greatly improved since m2e 0.13.0 : m2e 1.1+ and m2e-wtp 0.16.0+ can now convert the existing eclipse settings into maven plugin configuration .
As for the dependency conversion matter, you can try the JBoss Tools (JBT) 4.0 Maven integration feature, which contain...
Connecting to TCP Socket from browser using javascript
...
DarrenDarren
61.1k2020 gold badges120120 silver badges132132 bronze badges
...
Calculate the median of a billion numbers
...
Just tried on an Intel i5-4200M @3.1 GHz (4 cores). According to the time command applied to the whole pipeline, it took real=36m24s ("wall clock time"), user=113m15s ("parallel time", all cores added). The longest command, far ahead the others, was sort, e...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
...a omp parallel num_threads(tds)
{
double ret = test_dp_mac_SSE(1.1,2.1,iterations);
sum[omp_get_thread_num()] = ret;
}
double secs = omp_get_wtime() - start;
uint64 ops = 48 * 1000 * iterations * tds * 2;
cout << "Seconds = " << secs << endl;
...
Version number comparison in Python
...("2.1", "1.2") > 0
assert mycmp("5.6.7", "5.6.7") == 0
assert mycmp("1.01.1", "1.1.1") == 0
assert mycmp("1.1.1", "1.01.1") == 0
assert mycmp("1", "1.0") == 0
assert mycmp("1.0", "1") == 0
assert mycmp("1.0", "1.0.1") < 0
assert mycmp("1.0.1", "1.0") > 0
assert mycmp("1.0.2.0", "1.0.2") == ...
How to add a progress bar to a shell script?
...hat i wrote the other day:
#!/bin/bash
# 1. Create ProgressBar function
# 1.1 Input is currentState($1) and totalState($2)
function ProgressBar {
# Process data
let _progress=(${1}*100/${2}*100)/100
let _done=(${_progress}*4)/10
let _left=40-$_done
# Build progressbar string lengths
...