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Run command on the Ansible host

... Yes, you can run commands on the Ansible host. You can specify that all tasks in a play run on the Ansible host, or you can mark individual tasks to run on the Ansible host. If you want to run an entire play on the Ansible host, then specify hosts: 127.0.0.1 and connection:local in the play,...
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How can I configure the font size for the tree item in the package explorer in Eclipse?

... Does your Eclipse .ini file contain a reference to 'smallFonts?' On Mac you might see something like... -Dorg.eclipse.swt.internal.carbon.smallFonts If you remove this line, you'll see the font size in various views fatten up. ...
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How can I remove non-ASCII characters but leave periods and spaces using Python?

... You can filter all characters from the string that are not printable using string.printable, like this: >>> s = "some\x00string. with\x15 funny characters" >>> import string >>> printable = set(string.printable) ...
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Qt 5.1.1: Application failed to start because platform plugin “windows” is missing

...roblem . After a long search I found a comment which had been ignored by all users pointing to the missing lib. Now, many months later, the comment has been changed to an answer. However, when I answered this question by msyself I intended to help other people by directly providing the solution. T...
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

...of an application. In particular, rand() and uniqid() are not cryptographically secure random number generators. See Scott's answer for a secure alternative. If you do not need it to be absolutely unique over time: md5(uniqid(rand(), true)) Otherwise (given you have already determined a unique l...
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Extract a substring according to a pattern

... sub to replace it with a colon first. For example, if the separator were _ then string <- sub("_", ":", string) c(read.dcf(textConnection(string))) ## [1] "E001" "E002" "E003" 7) separate 7a) Using tidyr::separate we create a data frame with two columns, one for the part before the colon and o...
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How to write a cron that will run a script every day at midnight?

...2 wd day of week 0-7 (Sunday = 0 or 7) command: what you want to run all numeric values can be replaced by * which means all share | improve this answer | follow ...
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How to parse float with two decimal places in javascript?

I have the following code. I would like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00. Or if it equals 10.6 would be 10.60. Not sure how to do this. ...
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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?

...can omit dot when using the prefix, infix and postfix notations -- the so called operator notation. While using the operator notation, and only then, you can omit the parenthesis if there is less than two parameters passed to the method. Now, the operator notation is a notation for method-call, whi...
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How to capture no file for fs.readFileSync()?

... Basically, fs.readFileSync throws an error when a file is not found. This error is from the Error prototype and thrown using throw, hence the only way to catch is with a try / catch block: var fileContents; try { fileContents =...