The Goal: Offer highly-available service to my users by routing all connections to the closest ‘cluster’ of servers in SFO, NYC, LON, and eventually Singapore. The global-balancing layer then routes the request to theleast connected server… If I’m reading your configuration correctly, you’re actually proxying from your global balancers to the balancers at each region. … Read more
See the latest answer to this question here: https://docs.julialang.org/en/v1/manual/faq/#How-do-I-delete-an-object-in-memory%3F Retrieved from the docs: Julia does not have an analog of MATLAB’s clear function; once a name is defined in a Julia session (technically, in module Main), it is always present. If memory usage is your concern, you can always replace objects with ones that consume … Read more
Using the –save and –save-dev flags when installing will add them to the project’s package.json. This allows anyone who might develop on or use the project to install the dependencies as needed with a simple npm install command. By contrast, the -g flag is global only to your local machine.
Generalized use of global variables can make maintenance a nightmare, because they make tracing the flow of your program, and sometimes you get weird bug, because some module has read the variable and acted on its value before some other module changed the value of the variable (and this can result from inverting two import … Read more
re.match tries to match the pattern at the start of the string. You are looking for re.search, re.findall or re.finditer
Compare this, without using nonlocal: x = 0 def outer(): x = 1 def inner(): x = 2 print(“inner:”, x) inner() print(“outer:”, x) outer() print(“global:”, x) # inner: 2 # outer: 1 # global: 0 To this, using nonlocal, where inner()‘s x is now also outer()‘s x: x = 0 def outer(): x = 1 … Read more
Every “variable” in python is limited to a certain scope. The scope of a python “file” is the module-scope. Consider the following: #file test.py myvariable = 5 # myvariable has module-level scope def func(): x = 3 # x has “local” or function level scope. Objects with local scope die as soon as the function … Read more
They clutter up the global namespace and are slower to look up than local variables. First of all, having many global variables is always a bad thing because it’s easy to forget you declared a variable somewhere and accidentally re-declare it somewhere else. If your first variable was local then you don’t have a problem. … Read more
Unless you declare the function as private or fileprivate, which limit the visibility to the file or scope where it is defined, you can use it anywhere in the module if declared as internal (the default), and also from external modules if declared as public or open. However since you say that you need it … Read more
A. Use the global keyword to import from the application scope. $var = “01-01-10”; function checkdate(){ global $var; if(“Condition”){ $var = “01-01-11”; } } checkdate(); B. Use the $GLOBALS array. $var = “01-01-10”; function checkdate(){ if(“Condition”){ $GLOBALS[‘var’] = “01-01-11”; } } checkdate(); C. Pass the variable by reference. $var = “01-01-10”; function checkdate(&$funcVar){ if(“Condition”){ $funcVar … Read more