大约有 16,000 项符合查询结果（耗时：0.0234秒） [XML]
How do I use a Boolean in Python?
...cs.python.org/library/functions.html#bool
Your code works too, since 1 is converted to True when necessary.
Actually Python didn't have a boolean type for a long time (as in old C), and some programmers still use integers instead of booleans.
...
How do I load a file from resource folder?
...ce returns a URL, not a file. The getFile method of java.net.URL does not convert a URL to a file; it just returns the path and query portions of the URL. You shouldn't even try to convert it to a File; just call openStream and read from that.
– VGR
Apr 7 '...
Should I return a Collection or a Stream?
... a Collection from a Stream, and vice versa:
// If API returns Collection, convert with stream()
getFoo().stream()...
// If API returns Stream, use collect()
Collection<T> c = getFooStream().collect(toList());
So the question is, which is more useful to your callers.
If your result might be ...
How do I specify the exit code of a console application in .NET?
... You say that 0 is the standard value for success, and yet when converting 0/1 to boolean, 0 is false and 1 is true! It may be more accurate to say that an exit code of 0 means "no error", rather than "success", as the exit code is an ErrorResult not simply a Result.
...
get list from pandas dataframe column
...out the Dataframe method, Ive never seen that before... seems like you are converting a dinctionary to a df? df = DataFrame(d)?
– yoshiserry
Mar 12 '14 at 4:14
...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...
I converted Richards answer to an extension method :
public static int SaveChangesWithErrors(this DbContext context)
{
try
{
return context.SaveChanges();
}
catch (DbEntityVali...
How do I grant myself admin access to a local SQL Server instance?
...n your machine, this blog post can help you use SQLCMD to get your account into the SQL Server sysadmin group without having to reinstall. It's a bit of a security hole in SQL Server, if you ask me, but it'll help you out in this case.
...
Will using 'var' affect performance?
... that were expecting a variable of type int because it can't automatically convert the float, but that's exactly the same thing that would happen if you explicitly used int and then changed to float. In any case, your answer still does not answer the question of "does using var affect performance?" ...
C/C++ with GCC: Statically add resource files to executable/library
...
With imagemagick:
convert file.png data.h
Gives something like:
/*
data.h (PNM).
*/
static unsigned char
MagickImage[] =
{
0x50, 0x36, 0x0A, 0x23, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x20,
0x77, 0x69, 0x74, 0x68, 0x20, ...
How to iterate a loop with index and element in Swift
...arrays.
In this array I wanted to filter odd or even indexed elements and convert them from Ints to Doubles. So enumerate() gets you index and the element, then filter checks the index, and finally to get rid of the resulting tuple I map it to just the element.
let evens = arrayOfValues.enumerate(...