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ReSharper - force curly braces around single line
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Converting string from snake_case to CamelCase in Ruby
... you're using Rails, String#camelize is what you're looking for.
"active_record".camelize # => "ActiveRecord"
"active_record".camelize(:lower) # => "activeRecord"
If you want to get an actual class, you should use String#constantize on top of that.
"app_user".came...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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postgresql - replace all instances of a string within text field
In postgresql, how do I replace all instances of a string within a database column?
4 Answers
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Application not picking up .css file (flask/python)
...ride it.
Your directory structure for css should be like:
/app
- app_runner.py
/services
- app.py
/templates
- mainpage.html
/static
/styles
- mainpage.css
Notice that your /styles directory should be under /static
Then, do this
<link re...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
...ial nginx images (hub.docker.com/_/nginx), both debian (latest) and alpine bases.
– Farshid T
May 12 '18 at 10:49
Your...
Difference between fprintf, printf and sprintf?
...on>
#include <stdarg.h>
#include <stdio.h>
struct exception_fmt : std::exception
{
exception_fmt(char const* fmt, ...) __attribute__ ((format(printf,2,3)));
char const* what() const throw() { return msg_; }
char msg_[0x800];
};
exception_fmt::exception_fmt(char const* fm...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...
$ git submodule update --init --recursive
Submodule path 'vendor/plugins/demo': checked out '48679c6302815f6c76f1fe30625d795d9e55fc56'
$ git status
On branch master
Your branch is up-to-date with 'origin/master'.
nothing to commit, working tree clean
请注意，为安全起见，如...
How can I declare and use Boolean variables in a shell script?
...
64
Use arithmetic expressions.
#!/bin/bash
false=0
true=1
((false)) && echo false
((tru...
How can I rename a field for all documents in MongoDB?
...ormer way:
remap = function (x) {
if (x.additional){
db.foo.update({_id:x._id}, {$set:{"name.last":x.name.additional}, $unset:{"name.additional":1}});
}
}
db.foo.find().forEach(remap);
In MongoDB 3.2 you can also use
db.students.updateMany( {}, { $rename: { "oldname": "newname" } } )
...