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What is JavaScript garbage collection?
...o reference point to it
Mark-and-sweep algorithm: connect each objects to root source. any object doesn't connect to root or other object. this object will be removed.
currently most modern browsers using the second algorithm.
...
What is the “realm” in basic authentication
...nge. The realm value
(case-sensitive), in combination with the canonical root URL of the
server being accessed, defines the protection space. These realms
allow the protected resources on a server to be partitioned into a set
of protection spaces, each with its own authentication scheme and/...
How to generate UML diagrams (especially sequence diagrams) from Java code?
... named MyProject.uml
Move generated MyProject.uml which was generated at root, to UML folder, Eclipse will ask you If you wanted to replace it click yes. What we did in here was that we replaced an empty model with a generated one.
ALT+W -> show view -> papyrus -> model explorer
In that v...
What is the fastest way to compute sin and cos together?
...nd be aware that using this method involves computing a power and a square root, so if performance is important, make sure to verify that this is actually faster than computing the other trig function directly.
– Tyler McHenry
Apr 21 '10 at 14:11
...
How to push new branch without history
...rst commit made on this new branch will have no parents and it will be the root of a new history totally disconnected from all the other branches and commits.
The index and the working tree are adjusted as if you had previously run "git checkout <start_point>". This allows you to start a new h...
Perforce for Git users? [closed]
...e a Perforce config file.
1) Create a workspace
p4 workspace
# set your root to where your files should live:
Root: /Users/matt/work
# in the resulting editor change your view to map the depot files you care about
//depot/main/... //demo-workspace/main/...
//depot/dev/... //demo-workspace/dev/....
How to redirect a url in NGINX
..._body_size 10M;
client_body_buffer_size 128k;
root /home/test/test/public;
passenger_enabled on;
rails_env production;
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
...
Why are Oracle table/column/index names limited to 30 characters?
... can be extremely painful when doing migration projects from SQL Server or MySQL to Oracle. In Oracle Database 12cR2, the maximum length of most identifiers is now 128 characters.
This is a new feature in 12.2, according to (http://blog.dbi-services.com/oracle-12cr2-long-identifiers/). According t...
How to log cron jobs?
... send emails. Most systems will send unhandled cron job output by email to root or the corresponding user.
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How can I edit a view using phpMyAdmin 3.2.4?
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