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Is leaked memory freed up when the program exits?
... memory - as is the case with normal "flavors" of Windows, Linux, Solaris, etc. However it is important to note that in specialized environments such as various Real-Time Operating Systems the memory may not be freed when the program is terminated.
...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
...
Get size of folder or file
... modification, security exceptions, works with both files and directories, etc. It's too bad Files doesn't support it directly!
– Aleksandr Dubinsky
Oct 28 '15 at 10:39
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Output array to CSV in Ruby
...e number of k/v pairs & that the keys are always the same, in the same order (i.e. if your data is structured), this should do the deed:
rowid = 0
CSV.open(fn, 'w') do |csv|
hsh_ary.each do |hsh|
rowid += 1
if rowid == 1
csv << hsh.keys# adding header row (column labels)
...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
...service as non-root but bind low ports. The short answer is that you do:
setcap 'cap_net_bind_service=+ep' /path/to/program
And then anytime program is executed thereafter it will have the CAP_NET_BIND_SERVICE capability. setcap is in the debian package libcap2-bin.
Now for the caveats:
You wi...
SQL Server - Return value after INSERT
...ou'll be forced to migrate when that version of SQL is no longer supported etc so triggers won't cause a resultset. Whatever, it is not the best answer because if you have INSTEAD OF triggers the SCOPE_IDENTITY might not work (stackoverflow.com/questions/908257/…)
– gbn
...
What is the preferred/idiomatic way to insert into a map?
...which will require an additional call to std::pair template constructor in order to convert to value_type (ie : adding const to first_type)
std::pair<int, int> will also require an additional call to the template constructor of std::pair in order to convert the parameter to value_type (ie : ad...
How to fix SSL certificate error when running Npm on Windows?
...o certificate file>"
Full story
I've had to work with npm, pip, maven etc. behind a corporate firewall under Windows - it's not fun. I'll try and keep this platform agnostic/aware where possible.
HTTP_PROXY & HTTPS_PROXY
HTTP_PROXY & HTTPS_PROXY are environment variables used by lots ...
How to get function parameter names/values dynamically?
...e minified name is. Angular gets around this by allowing you to pass in an ordered array of strings that matches the order of the arguments when registering them with the DI container. So on with the solution:
var esprima = require('esprima');
var _ = require('lodash');
const parseFunctionArgumen...
What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
...ix has been removed, so smallest columns are simply col-1, col-2.. col-12, etc..
col-* - 0 (xs)
col-sm-* - 576px
col-md-* - 768px
col-lg-* - 992px
col-xl-* - 1200px
Bootstrap 4 Grid Demo
Additionally, Bootstrap 4 includes new auto-layout columns. These also have responsive breakpoints (col, col-sm, ...