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What is the behavior of integer division?
...ive= -125/100;//=-1
double flooringResultNegative= floor(-125.0/100.0);//=-2.0
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Fastest way to iterate over all the chars in a String
...amPar reuse new1 new2 field1 field2
1 charAt 77.0 72.0 462.0 584.0 127.5 89.5 86.0 159.5 165.0
2 charAt 38.0 36.5 284.0 32712.5 57.5 48.3 50.3 89.0 91.5
4 charAt 19.5 18.5 458.6 3169.0 33.0 26.8 27...
The name 'InitializeComponent' does not exist in the current context
...his usually happens whenever you try to add a WPF control/window to a .NET 2.0 class library or project. The reason for this error is that the project does not know it's building a WPF control or window and therefore tries to build it as a C# 2.0 project.
The solution involves editing the .csproj ...
.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
...te to reuse the existing ConfigurationErrorsException type.
Prior to .NET 2.0, the recommendation was to use System.Configuration.ConfigurationException. ConfigurationException became obsolete in .NET 2.0, for reasons which were never clear to me, and the recommendation changed to use Configuratio...
Solving “Who owns the Zebra” programmatically?
...
Here's a solution in Python based on constraint-programming:
from constraint import AllDifferentConstraint, InSetConstraint, Problem
# variables
colors = "blue red green white yellow".split()
nationalities = "Norwegian German Dane Swede English".split()
pet...
Case insensitive XPath contains() possible?
...
This is for XPath 1.0. If your environment supports XPath 2.0, see here.
Yes. Possible, but not beautiful.
/html/body//text()[
contains(
translate(., 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'),
'test'
)
]
This would work for search strings where th...
How can I force division to be floating point? Division keeps rounding down to 0?
... behavior for integers, is now a // b:
>>> 1//2
0
>>> 1//2.0
0.0
However, you may be stuck using Python 2, or you may be writing code that must work in both 2 and 3.
If Using Python 2
In Python 2, it's not so simple. Some ways of dealing with classic Python 2 division are better a...
App Inventor 2 项目合并工具 AIMerge · App Inventor 2 中文网
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App Inventor 2 项目合并工具 AIMerge
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App Inventor 2 项目合并工具
本文档最初由米尔斯学院（Mills College）的 Kate Feeney 为 AI Classic 编写。该计划在她的论文通...
Biggest GWT Pitfalls? [closed]
...h of compile) and then just hit refresh in your browser.
Update: With GWT 2.0+ this is no longer an issue, because you use the new 'Development Mode'. It basically means you can run code directly in your browser of choice, so no loss of speed, plus you can firebug/inspect it, etc.
http://code.goog...
How to iterate a loop with index and element in Swift
...
print("Item \(index): \(element)")
}
Before Swift 3.0 and after Swift 2.0, the function was called enumerate():
for (index, element) in list.enumerate() {
print("Item \(index): \(element)")
}
Prior to Swift 2.0, enumerate was a global function.
for (index, element) in enumerate(list) {
...