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Why can't variable names start with numbers?
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It's a convention now, but it started out as a technical requirement.
In the old days, parsers of languages such as FORTRAN or BASIC did not require the uses of spaces. So, basically, the following are identical:
10 V1=100
20 PRINT V1
and
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How to call asynchronous method from synchronous method in C#?
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AsyncContext now has a Run method that takes a lambda expression, so you should use var result = AsyncContext.Run(() => MyAsyncMethod());
– Stephen Cleary
Jun 23 '13 at 12:42
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Bootstrapping still requires outside support
... of in one jump.) Because Yazzle-lite is a proper subset of Yazzleof, you now have a compiler which can compile itself.
There is a really good writeup about bootstrapping a compiler from the lowest possible level (which on a modern machine is basically a hex editor), titled Bootstrapping a simple ...
How to resolve “local edit, incoming delete upon update” message
...nd commited first. As a good svn citizen you do an update before a commit. Now you have a conflict. Realising that deleting the file is the right thing to do you delete the file from your working copy. Instead of being content svn now complains that the local files are missing and that there is a co...
PostgreSQL: Drop PostgreSQL database through command line [closed]
...elect * from pg_stat_activity;" say? Are the other users besides yourself now connected? If so, you might have to edit your pg_hba.conf file to reject connections from other users, or shut down whatever app is accessing the pg database to be able to drop it. I have this problem on occasion in pro...
What is the Swift equivalent of isEqualToString in Objective-C?
...you don't need anymore to check the equality with isEqualToString
You can now use ==
Example:
let x = "hello"
let y = "hello"
let isEqual = (x == y)
now isEqual is true.
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Add a prefix to all Flask routes
I have a prefix that I want to add to every route. Right now I add a constant to the route at every definition. Is there a way to do this automatically?
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How to run only one task in ansible playbook?
... role/stuff/tasks/main.yml
- name: do stuff
when: stuff|default(false)
Now, this task will not fire by default, but only if I set the stuff=true
$ ansible-playbook -e '{"stuff":true}'
or in a playbook:
roles:
- {"role":"stuff", "stuff":true}
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Nginx 403 forbidden for all files
...t. I came across this and found out SELinux was enabled. I disabled it and now it works no problem. Thanks!
– ub3rst4r
Oct 29 '14 at 5:51
1
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inline conditionals in angular.js
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@BenLesh major props for editing your answer now that there's other options, good work.
– Nick Coad
Dec 14 '14 at 22:59
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