大约有 40,000 项符合查询结果（耗时：0.0386秒） [XML]
How to check if a python module exists without importing it
...mport can find something in python2, using imp
import imp
try:
imp.find_module('eggs')
found = True
except ImportError:
found = False
To find dotted imports, you need to do more:
import imp
try:
spam_info = imp.find_module('spam')
spam = imp.load_module('spam', *spam_info)
i...
What's the difference between dynamic (C# 4) and var?
... {
[CompilerGenerated]
private static class <Main>o__SiteContainer0
{
public static CallSite<Action<CallSite, object>> <>p__Site1;
}
private static void Main(string[] args)
{
Junk a = new Junk(); /...
How can I change the copyright template in Xcode 4?
...
__MyCompanyName__ being ugly (or if you aren't coding for the company set up in your profile), let's change it.
Click on your project root in the Project Navigator on the left
Enable your Utilities view on the right while t...
How can I filter a Django query with a list of values?
...
From the Django documentation:
Blog.objects.filter(pk__in=[1, 4, 7])
share
|
improve this answer
|
follow
|
...
Understanding the difference between Object.create() and new SomeFunction()
... difference is in step 3)
new Test():
create new Object() obj
set obj.__proto__ to Test.prototype
return Test.call(obj) || obj;
// normally obj is returned but constructors in JS can return a value
Object.create( Test.prototype )
create new Object() obj
set obj.__proto__ to Test.prototype...
Can I implement an autonomous `self` member type in C++?
...,Ts...> : public Ts...
{
protected:
typedef X self;
};
#define WITH_SELF(X) X : public Self<X>
#define WITH_SELF_DERIVED(X,...) X : public Self<X,__VA_ARGS__>
class WITH_SELF(Foo)
{
void test()
{
self foo;
}
};
If you want to derive from Foo then you should...
Batch Renaming of Files in a Directory
...n-hidden file in the current directory
import os
[os.rename(f, f.replace('_', '-')) for f in os.listdir('.') if not f.startswith('.')]
share
|
improve this answer
|
follow
...
Where does Chrome store extensions?
...e\Chrome\User Data\Default then my storage directory is:
C:\Users\<Your_User_Name>\AppData\Local\Google\Chrome\User Data\Default\Extensions
Linux
~/.config/google-chrome/Default/Extensions/
MacOS
~/Library/Application\ Support/Google/Chrome/Default/Extensions
Chromium
~/.config/chro...
How do I disable a Pylint warning?
... does not work.
All available pylint messages are stored in the dictionary _messages, an attribute of an instance of the pylint.utils.MessagesHandlerMixIn class. When running pylint with the argument --disable-ids=... (at least without a config file), this dictionary is initially empty, raising a Ke...
How to generate .NET 4.0 classes from xsd?
... generate .xsd file and classes from XML directly :
set XmlFilename=Your__Xml__Here
set WorkingFolder=Your__Xml__Path_Here
set XmlExtension=.xml
set XsdExtension=.xsd
set XSD="C:\Program Files (x86)\Microsoft SDKs\Windows\v8.1A\bin\NETFX 4.5.1\Tools\xsd.exe"
set XmlFilePath=%WorkingFolder%%Xml...