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How does Amazon RDS backup/snapshot actually work?
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AWS documentation now states that "A brief I/O freeze, typically lasting a few seconds, occurs during both automated backups and DB snapshot operations on Single-AZ DB instances." docs.aws.amazon.com/AmazonRDS/latest/UserGuide/…
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bash assign default value
...stead of the longer LONG_VARIABLE_NAME=${LONG_VARIABLE_NAME:-hello} , but now bash also tries to execute 'hello' and that gives a command not found. Any way to avoid that? Or will I have to stick to the latter? Can someone give an example where the assign default is actually useful?
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How to add local jar files to a Maven project?
...rflow user - I am pretty sure I've seen a similar answer here before - but now I cannot find it.
The best option for having local JAR files as a dependency is to create a local Maven repository. Such a repository is nothing more than a proper directory structure with pom files in it.
For my exam...
How to find out which fonts are referenced and which are embedded in a PDF document
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pdffonts command line tool originally from Xpdf, now part of Poppler.
This tool is available in most Linux distributions as part of poppler-utils package.
Example usage and output:
$ pdffonts some.pdf
name type emb sub uni...
Iterate over model instance field names and values in template
...ous comment since comments don't support code formatting. Sorry, I didn't know that.)
– Magnus Gustavsson
Jan 31 '13 at 12:33
2
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what is the function of webpages:Enabled in MVC 3 web.config
... Views by default, but if i add this setting and set it to false, they are now parsed and attempted to be viewed.
– Brunis
Jan 4 '19 at 14:34
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Editing the git commit message in GitHub
...blem that if other people on your team have pulled the previous commit you now have different histories (including different commits) on different machines. If you know no one has pulled your commit this is safe. Read source Dan posted
– TMin
Mar 15 '17 at 22:2...
Process escape sequences in a string in Python
...Adding a regular expression to solve the problem
(Surprisingly, we do not now have two problems.)
What we need to do is only apply the unicode_escape decoder to things that we are certain to be ASCII text. In particular, we can make sure only to apply it to valid Python escape sequences, which are...
What happens if you call erase() on a map element while iterating from begin to end?
...een improved/made consistent across all container types).
The erase method now returns the next iterator.
auto pm_it = port_map.begin();
while(pm_it != port_map.end())
{
if (pm_it->second == delete_this_id)
{
pm_it = port_map.erase(pm_it);
}
else
{
++pm_it;
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Android phone orientation overview including compass
... sensors for a while.
I thought I understood it. Then I realised I didn't. Now I think (hope) I have a better feeling for it again but I am still not 100%. I will try and explain my patchy understanding of it and hopefully people will be able to correct me if I am wrong in parts or fill in any blank...