大约有 21,000 项符合查询结果(耗时:0.0513秒) [XML]
How to load assemblies in PowerShell?
...
LoadWithPartialName has been deprecated. The recommended solution for PowerShell V3 is to use the Add-Type cmdlet e.g.:
Add-Type -Path 'C:\Program Files\Microsoft SQL Server\110\SDK\Assemblies\Microsoft.SqlServer.Smo.dll'
T...
What's the difference between SCSS and Sass?
From what I've been reading, Sass is a language that makes CSS more powerful with variable and math support.
13 Answers
...
Can I do a synchronous request with volley?
Imagine I'm in a Service that already has a background thread. Can I do a request using volley in that same thread, so that callbacks happen synchronously?
...
Does Git Add have a verbose switch
...l my private an public repo's over to github. One of the decisions I have made is to only use the console as it means a smaller tooling footprint if I ever need to change PCs, etc.
...
When and why should I use fragments in Android applications? [duplicate]
...use a fragment. That's just an example I came up with off the top of my head.
Bottom line: Fragments are two or more activities on the screen at the same time.
share
|
improve this answer
...
Which is the preferred way to concatenate a string in Python?
...ng a string to a string variable is to use + or +=. This is because it's readable and fast. They are also just as fast, which one you choose is a matter of taste, the latter one is the most common. Here are timings with the timeit module:
a = a + b:
0.11338996887207031
a += b:
0.11040496826171875
...
map function for objects (instead of arrays)
...ject, but rather operate on the object itself. For that matter I wanted to add another solution that returns a new object and leaves the original object as it is:
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
// returns a new object with the values at each key mapped using mapFn(value)
functio...
How do you manually execute SQL commands in Ruby On Rails using NuoDB
...hem into the results variable.
So on my rails application_controller.rb I added this:
def execute_statement(sql)
results = ActiveRecord::Base.connection.execute(sql)
if results.present?
return results
else
return nil
end
end
Using execute_statement will return the records found ...
Proper way to handle multiple forms on one page in Django
... have two different view functions to deal with the two different forms.
Read the submit button values from the POST data. You can tell which submit button was clicked: How can I build multiple submit buttons django form?
...
How do you determine the size of a file in C?
...&st) == 0)
return st.st_size;
return -1;
}
Changes:
Made the filename argument a const char.
Corrected the struct stat definition, which was missing the variable name.
Returns -1 on error instead of 0, which would be ambiguous for an empty file. off_t is a signed type so this i...