大约有 23,000 项符合查询结果（耗时：0.0325秒） [XML]
What is getattr() exactly and how do I use it?
...me, getattr is easiest to explain this way:
It allows you to call methods based on the contents of a string instead of typing the method name.
For example, you cannot do this:
obj = MyObject()
for x in ['foo', 'bar']:
obj.x()
because x is not of the type builtin, but str. However, you CAN d...
Real life trading API [closed]
...
TradeStation also has an HTTP based api, check out the docs at: tradestation.github.io/webapi-docs
– dk.
Jan 5 '14 at 21:40
...
For every character in string
...
Looping through the characters of a std::string, using a range-based for loop (it's from C++11, already supported in recent releases of GCC, clang, and the VC11 beta):
std::string str = ???;
for(char& c : str) {
do_things_with(c);
}
Looping through the characters of a std::stri...
The type or namespace name 'Objects' does not exist in the namespace 'System.Data'
...ng entities, C# and SQL Server to create an n-tier app. I am creating some base classes common to all my DAL components. In this base class, i want to handle the connection state of the ObjectContext base class inherited by entities object.
...
How to make code wait while calling asynchronous calls like Ajax [duplicate]
...
Use callbacks. Something like this should work based on your sample code.
function someFunc() {
callAjaxfunc(function() {
console.log('Pass2');
});
}
function callAjaxfunc(callback) {
//All ajax calls called here
onAjaxSuccess: function() {
callbac...
How to copy a file to multiple directories using the gnu cp command
...
Stipulating that answers be accepted based on whether they technically answer the question would be insufferably pedantic and not really useful.
– Backgammon
Mar 13 '14 at 14:51
...
Where to place the 'assets' folder in Android Studio?
...
Since Android Studio uses the new Gradle-based build system, you should be putting assets/ inside of the source sets (e.g., src/main/assets/).
In a typical Android Studio project, you will have an app/ module, with a main/ sourceset (app/src/main/ off of the project...
Java Logging vs Log4J [closed]
...
Great questionnaire based answer. To each his own based on needs.
– HopeKing
Mar 10 '17 at 5:36
...
How to list all methods for an object in Ruby?
...
The following will list the methods that the User class has that the base Object class does not have...
>> User.methods - Object.methods
=> ["field_types", "maximum", "create!", "active_connections", "to_dropdown",
"content_columns", "su_pw?", "default_timezone", "encode_quoted_v...
What does the NS prefix mean?
... after he quit Apple in 1985, and NextStep was it's operating system (UNIX based) together with the Obj-C language and runtime. Together with it's libraries and tools, NextStep was later renamed OpenStep (which was also the name on an API that NeXT developed together with Sun), which in turn later b...