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What is the difference between ports 465 and 587?
...clients being what they are, you cannot guarantee the MUA is going to even alert the user that the connection has been downgraded.
– sporker
May 19 '17 at 20:55
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bash: shortest way to get n-th column of output
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Because you seem to be unfamiliar with scripts, here is an example.
#!/bin/sh
# usage: svn st | x 2 | xargs rm
col=$1
shift
awk -v col="$col" '{print $col}' "${@--}"
If you save this in ~/bin/x and make sure ~/bin is in your PATH (now that is something you can ...
What is the difference between partitioning and bucketing a table in Hive ?
...of buckets to store the data. This number is defined during table creation scripts.
Pros
Due to equal volumes of data in each partition, joins at Map side will be quicker.
Faster query response like partitioning
Cons
You can define number of buckets during table creation but loading of equal ...
Adding two numbers concatenates them instead of calculating the sum
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var x = parseInt(stringValueX, 10);
var y = parseInt(stringValueY, 10);
alert(x + y);
Hope this helps!
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Redirect Windows cmd stdout and stderr to a single file
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To add the stdout and stderr to the general logfile of a script:
dir >> a.txt 2>&1
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How do I match any character across multiple lines in a regular expression?
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@Allen - JavaScript doesn't support the s modifier. Instead, do [^]* for the same effect.
– Derek 朕會功夫
Jul 12 '15 at 22:26
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How to set environment variables from within package.json
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Set the environment variable in the script command:
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"scripts": {
"start": "node app.js",
"test": "NODE_ENV=test mocha --reporter spec"
},
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Then use process.env.NODE_ENV in your app.
Note: This is for Mac & Linux only. For Windows refer to the co...
redirect COPY of stdout to log file from within bash script itself
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echo "bar" >&2
Note that this is bash, not sh. If you invoke the script with sh myscript.sh, you will get an error along the lines of syntax error near unexpected token '>'.
If you are working with signal traps, you might want to use the tee -i option to avoid disruption of the output ...
What should I set JAVA_HOME environment variable on macOS X 10.6?
Many Java applications that use shell scripts to configure their environment use the JAVA_HOME environment variable to start the correct version of Java, locate JRE JARs, and so on.
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Check if a number has a decimal place/is a whole number
...re it to zero like so:
function Test()
{
var startVal = 123.456
alert( (startVal - Math.floor(startVal)) != 0 )
}
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