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grep output to show only matching file
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Letter O Considered Harmful
– user234461
Jan 23 at 13:19
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insert a NOT NULL column to an existing table
...n initially create Null-able column, then update your table column with valid not null values and finally ALTER column to set NOT NULL constraint:
ALTER TABLE MY_TABLE ADD STAGE INT NULL
GO
UPDATE MY_TABLE SET <a valid not null values for your column>
GO
ALTER TABLE MY_TABLE ALTER COLUMN STAG...
Format Instant to String
... .withLocale( Locale.UK )
.withZone( ZoneId.systemDefault() );
Generating String
Now use that formatter to generate the String representation of your Instant.
Instant instant = Instant.now();
String output = formatter.format( instant );
Dump to console.
Syste...
linux tee is not working with python?
...around this, you will want to use "sys.stdin.read‐
line()" inside a "while 1:" loop.
So what you can do is:
/usr/bin/python -u client.py >> logfile 2>&1
Or using tee:
python -u client.py | tee logfile
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How to suppress warnings globally in an R Script
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But note that turning off warning messages globally might not be a good idea.
To turn warnings back on, use
options(warn=0)
(or whatever your default is for warn, see this answer)
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How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat
...sum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolor...
How can I scale the content of an iframe?
... on Opera and Safari if you change the CSS to:
<style>
#wrap { width: 600px; height: 390px; padding: 0; overflow: hidden; }
#frame { width: 800px; height: 520px; border: 1px solid black; }
#frame {
-ms-zoom: 0.75;
-moz-transform: scale(0.75);
-moz-transform...
How to pass payload via JSON file for curl?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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// Have to fire editor after snippets, if snippets enabled...
What's the Android ADB shell “dumpsys” tool and what are its benefits?
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What's dumpsys and what are its benefit
dumpsys is an android tool that runs on the device and dumps interesting information about the status of system services.
Obvious benefits:
Possibility to easily get system information in a simple string representation.
Possibility to use du...
AngularJS Directive Restrict A vs E
...ing instructions in order to make it working: https://docs.angularjs.org/guide/ie
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