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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
...est of the page especially when name conflicts are possible;
Replace eval("string") with
(new Function("string"))()
Wrap long code for " =?: " operator like:
result = exp_to_test ? (function(){... long_code ...})() : (function(){...})();
...
STL or Qt containers?
...
I started by using std::(w)string and the STL containers exclusively and converting to/from the Qt equivalents, but I have already switched to QString and I find that I'm using Qt's containers more and more.
When it comes to strings, QString offers mu...
How can I send an HTTP POST request to a server from Excel using VBA?
...
@fiddle did you URL encode that string? The curly braces are less of a concern than the quotes (which would terminate the strings in the VBA")
– Ruscal
Aug 12 at 18:18
...
Flask-SQLAlchemy import/context issue
...:
# fields here
pass
And then in your application setup you can call init_app:
# apps.application.py
from flask import Flask
from apps.members.models import db
app = Flask(__name__)
# later on
db.init_app(app)
This way you can avoid cyclical imports.
This pattern does not necessitate ...
【最全】CSS响应式布局的5种实现方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...应断点阈值设定
（括号后面是样式的缩写）
<576px （Extra small）
>=576px （Small --- sm）
>=769px （Medium --- md）
>=992px （Large --- lg）
>=1200px （X-Large --- xl）
>=1400px （XX-Large ---- xxl）
2、在实际开发中，常用的两种适配方案
a...
Removing duplicates from a list of lists
... much easier that it offers good returns on efforts. But sometimes (essentially for "tragically crucial bottlenecks" in deep inner loops of code that's pushing the boundaries of performance limits) one may need to go into much more detail, providing probability distributions, deciding which performa...
What is the purpose of willSet and didSet in Swift?
... for instance to notify other objects that the property just changed. When all you have is get/set, you need another field to hold the value. With willSet and didSet, you can take action when the value is modified without needing another field. For instance, in that example:
class Foo {
var myP...
How does Trello access the user's clipboard?
...source code Trello uses to accomplish the clipboard trick.
We don't actually "access the user's clipboard", instead we help the user out a bit by selecting something useful when they press Ctrl+C.
Sounds like you've figured it out; we take advantage of the fact that when you want to hit Ctrl+C, ...
Timeout on a function call
I'm calling a function in Python which I know may stall and force me to restart the script.
18 Answers
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Failed to load the JNI shared Library (JDK)
...) being loaded into an application. Now imagine a 32bit function wants to call a 64bit one, or alike. Same with alignment and datasizes and everything. I guess I dont have to tell anything more =P
– imacake
Mar 17 '12 at 17:15
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