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Associative arrays in Shell scripts
...6s
user 0m0.228s
sys 0m0.530s
$ time ./driver.sh irfan 100 5
real 0m10.633s
user 0m4.366s
sys 0m7.127s
$ time ./driver.sh brian 100 5
real 0m1.682s
user 0m0.546s
sys 0m1.082s
$ time ./driver.sh jerry 100 5
real 0m9.3...
an htop-like tool to display disk activity in linux [closed]
...?DiskName Busy Read WriteKB|0 |25 |50 |75 100| ?
?sda 0% 0.0 127.9|> | ?
?sda1 1% 0.0 127....
How can I generate random alphanumeric strings?
...e CryptoRNGDemo
{
class Program
{
const int REPETITIONS = 1000000;
const int KEY_SIZE = 32;
static void Main(string[] args)
{
Console.WriteLine("Original BIASED implementation");
PerformTest(REPETITIONS, KEY_SIZE, KeyGenerator.GetUniq...
JavaScript displaying a float to 2 decimal places
...u'd like to preserve it as a number type you can use:
Math.round(number * 100) / 100
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How to initialize log4j properly?
...leAppender
log4j.appender.R.File=example.log
log4j.appender.R.MaxFileSize=100KB
# Keep one backup file
log4j.appender.R.MaxBackupIndex=1
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%p %t %c - %m%n
...
background-size in shorthand background property (CSS3)
...kground:url('equote.png'),url('equote.png');
background-size:400px 100px,50px 50px;
}
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What database does Google use?
...s them as tablets. A tablet is around 200 MB, and each machine saves about 100 tablets. This setup allows tablets from a single table to be spread among many servers. It also allows for fine-grained load balancing. If one table is receiving many queries, it can shed other tablets or move the busy ta...
Filtering a list based on a list of booleans
...True, False, True, False]
>>> %timeit list(compress(list_a, fil))
100000 loops, best of 3: 2.58 us per loop
>>> %timeit [i for (i, v) in zip(list_a, fil) if v] #winner
100000 loops, best of 3: 1.98 us per loop
>>> list_a = [1, 2, 4, 6]*100
>>> fil = [True, False...
How to remove leading and trailing zeros in a string? Python
...
Did you try with strip() :
listOfNum = ['231512-n','1209123100000-n00000','alphanumeric0000', 'alphanumeric']
print [item.strip('0') for item in listOfNum]
>>> ['231512-n', '1209123100000-n', 'alphanumeric', 'alphanumeric']
...
Are there any disadvantages to always using nvarchar(MAX)?
...
Based on the link provided in the accepted answer it appears that:
100 characters stored in an nvarchar(MAX) field will be stored no different to 100 characters in an nvarchar(100) field - the data will be stored inline and you will not have the overhead of reading and writing data 'out of r...