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Efficient way to determine number of digits in an integer
... Should be faster than the much shorter logarithm based approach. If you don't care about counting the '-', remove the + 1.
// generic solution
template <class T>
int numDigits(T number)
{
int digits = 0;
if (number < 0) digits = 1; // remove this line if '-' counts as a digit
...
How do I detect a click outside an element?
... is something that should be avoided as it breaks normal event flow in the DOM. See this article for more information. Consider using this method instead
Attach a click event to the document body which closes the window. Attach a separate click event to the container which stops propagation to the...
How to check if a Ruby object is a Boolean
...
Short doesn't necessarily mean simple. By which I mean, wtf is that?
– Grant Birchmeier
Apr 11 '13 at 22:00
11...
C# DateTime.Now precision
I just ran into some unexpected behavior with DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond incre...
How to debug a single thread in Visual Studio?
...
Freeze/Thaw threads is an incorrect way because other threads don't execute any code.
The most correct and usable way is to:
Hit Ctrl+A in the breakpoints window (select all breakpoints).
Right click and select "Filter...".
Enter "ThreadId=(current thread id)".
In Visual Studio 201...
Can't start Eclipse - Java was started but returned exit code=13
...case, I was using a 64-bit JDK with a 32-bit Eclipse on a 64-bit OS. After downgrading the JDK to 32-bit, Eclipse started working.
Use one of the following combinations.
32-bit OS, 32-bit JDK, 32-bit Eclipse (32-bit only)
64-bit OS, 32-bit JDK, 32-bit Eclipse
64-bit OS, 64-bit JDK, 64-bit Eclipse...
✔ Checkmark selected row in UITableViewCell
... The checkmark should be removed when another row is selected. How would I do this?
18 Answers
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Ways to eliminate switch in code [closed]
...
foreach (var animal in zoo) {
switch (typeof(animal)) {
case "dog":
echo animal.bark();
break;
case "cat":
echo animal.meow();
break;
}
}
becomes this:
foreach (var animal in zoo) {
echo animal.speak();
}
...
How do I package a python application to make it pip-installable?
...
Obviously now we have two places where dependencies are defined, but that doesn't necessarily mean that these information are duplicated: setup.py vs requirements.txt
With this setup your package should be installable via pip.
As Pierre noted in the comments, there's now also a relevant sectio...
Maven Install on Mac OS X
...-28 12:31:09-0500)
Maven home: /usr/share/maven
Java version: 1.6.0_29, vendor: Apple Inc.
Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
Default locale: en_US, platform encoding: MacRoman
OS name: "mac os x", version: "10.7.2", arch: "x86_64", family: "mac"
...