大约有 33,000 项符合查询结果(耗时:0.0579秒) [XML]
Postgresql 9.2 pg_dump version mismatch
...
This only happens when you upgrade PostgreSQL. I just did a fresh install of the OS and didn't have any problems with this.
– Seth
May 1 '14 at 22:53
...
How do I measure the execution time of JavaScript code with callbacks?
.... Check out process.hrtime(); .
So, I basically put this at the top of my app.
var start = process.hrtime();
var elapsed_time = function(note){
var precision = 3; // 3 decimal places
var elapsed = process.hrtime(start)[1] / 1000000; // divide by a million to get nano to milli
console....
What is “function*” in JavaScript?
...ion about generators I've come across so far. I could see using this in an app, vs previously just understanding it theoretically.
– wes
Aug 6 '15 at 16:17
add a comment
...
How should I store GUID in MySQL tables?
...0 to 255 value with the intention of representing said value with a value mapped from a lookup table (in most cases now, UTF8). A BINARY field expects the same kind of value without any intention of representing said data from a lookup table. I used CHAR(16) back in the 4.x days because back then My...
What is the fastest way to compute sin and cos together?
...e twiddling of compiler flags for this to work, but:
$ gcc --version
i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5488)
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY o...
How do you dismiss the keyboard when editing a UITextField
...egates to equal this viewController ... this allows for the keyboard to disappear after pressing done
daTextField.delegate = self;
}
share
|
improve this answer
|
follow...
How to make overlay control above all other controls?
I need to make a control appear above all other controls, so it will partially overlay them.
6 Answers
...
How to tell if rails is in production?
...roduction.log
if there are entries populating that log after you hit the app, you're in production mode.
second way:
in one of your views (probably the layout is good), just add
<%= "Environment: #{RAILS_ENV}" %>
And that will show you what the environment that you're running in.
edit
...
“continue” in cursor.forEach()
I'm building an app using meteor.js and MongoDB and I have a question about cursor.forEach().
I want to check some conditions in the beginning of each forEach iteration and then skip the element if I don't have to do the operation on it so I can save some time.
...
How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
...utput location and it dumps everything nicely into a folder structure. It happens to be the same format that their other product, SQL Source Control, uses.
share
|
improve this answer
|
...
