大约有 23,000 项符合查询结果（耗时：0.0294秒） [XML]
JSON to pandas DataFrame
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Error. You should pass the file contents (i.e. a string) to json.loads(), not the file object itself - json.load(train_file.read())
– Vasin Yuriy
Nov 1 '19 at 12:12
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How can I check if an argument is defined when starting/calling a batch file?
...guments.
⍟ exist on file system (either file or directory?) or a generic string.
⍟ specify if is a file
⍟ specify is a directory
⍟ no extensions, would work in legacy scripts!
⍟ minimal code ☺
@echo off
:loop
::-------------------------- has argument ?
if ["%~1"]==[""] (
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Seeing the console's output in Visual Studio 2010?
...after processing but before exiting:
class Program
{
static void Main(string[] args)
{
DummyObjectList dol = new DummyObjectList(2);
dol.Add(new DummyObject("test1", (Decimal)25.36));
dol.Add(new DummyObject("test2", (Decimal)0.698));
XmlSerializer dolxs = ne...
Ternary operator in AngularJS templates
...-class takes an expression that must evaluate to one of the following:
a string of space-delimited class names
an array of class names
a map/object of class names to boolean values.
An example of 1) was given above. Here is an example of 3, which I think reads much better:
<li ng-class="...
Convert a PHP object to an associative array
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It you have integer keys the'll be converted in to string and this can cause big issue. E.g. [1 => "one"] becomes ["1" => "one"]
– Oleg
Aug 11 '15 at 12:16
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Pickle incompatibility of numpy arrays between Python 2 and 3
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This seems like some sort of incompatibility. It's trying to load a "binstring" object, which is assumed to be ASCII, while in this case it is binary data. If this is a bug in the Python 3 unpickler, or a "misuse" of the pickler by numpy, I don't know.
Here is something of a workaround, but I d...
Strangest language feature
...st started using javascript using this sort of technique to add numbers in strings: "111" - -"222" gives 333 whereas "111" + "222" gives "111222".
– Callum Rogers
Jan 3 '10 at 16:03
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How to get names of classes inside a jar file?
...ava classes contained inside a jar file at /path/to/jar/file.jar.
List<String> classNames = new ArrayList<String>();
ZipInputStream zip = new ZipInputStream(new FileInputStream("/path/to/jar/file.jar"));
for (ZipEntry entry = zip.getNextEntry(); entry != null; entry = zip.getNextEntry()...
Join an Array in Objective-C
I'm looking for a method of turning a NSMutableArray into a string. Is there anything on a par with this Ruby array method?
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How to find out if an item is present in a std::vector?
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In C++11 you can use any_of. For example if it is a vector<string> v; then:
if (any_of(v.begin(), v.end(), bind(equal_to<string>(), _1, item)))
do_this();
else
do_that();
Alternatively, use a lambda:
if (any_of(v.begin(), v.end(), [&](const std::string& ele...