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What is a vertical tab?
... the default vertical size being one line. I have tested with perl "\013" and the same output occurs. This could be used to do line feed without a carriage return on devices with convert linefeed to carriage-return + linefeed.
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How do you create a random string that's suitable for a session ID in PostgreSQL?
I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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MySQL Cannot drop index needed in a foreign key constraint
...n key might not be as obvious. To find all foreign keys related to a table and column, you can use this query: dba.stackexchange.com/questions/102371/…
– charlax
Jun 12 '19 at 14:54
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Getting rid of \n when using .readlines() [duplicate]
...of data. So tab-separated values is a circumstance where that would be bad and if stated that way, this answer would never be my recommendation.
– hughdbrown
Jun 3 '18 at 19:18
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undefined reference to boost::system::system_category() when compiling
...do.)
Assuming you use gcc, try adding -lboost_system to your compiler command line in order to link against that library.
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Spring Boot: How can I set the logging level with application.properties?
...config file (log4j.xml or logback.xml) to the src/main/resources directory and configure to your liking.
You can enable debug logging by specifying --debug when starting the application from the command-line.
Spring Boot provides also a nice starting point for logback to configure some defaults, col...
Access nested dictionary items via a list of keys?
...ataDict, mapList):
return reduce(operator.getitem, mapList, dataDict)
and reuse getFromDict to find the location to store the value for setInDict():
def setInDict(dataDict, mapList, value):
getFromDict(dataDict, mapList[:-1])[mapList[-1]] = value
All but the last element in mapList is need...
How do I add spacing between columns in Bootstrap?
...sistent so that all of your columns line up correctly. To get even spacing and column size I would do the following:
<div class="row">
<div class="col-md-5"></div>
<div class="col-md-5 col-md-offset-2"></div>
</div>
In Bootstrap 4 use: offset-2 or offset-md-2...
Generate pdf from HTML in div using Javascript
.... In order to enable it to print HTML, you have to include certain plugins and therefore have to do the following:
Go to https://github.com/MrRio/jsPDF and download the latest Version.
Include the following Scripts in your project:
jspdf.js
jspdf.plugin.from_html.js
jspdf.plugin.split_text_to_si...
How to require a fork with composer
...
The most common (and easier) way of doing it is using a VCS repository.
All you have to do is add your fork as a repository and update the
version constraint to point to your custom branch. Your custom branch
name must be prefixed wit...