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Difference between objectForKey and valueForKey?
What is the difference between objectForKey and valueForKey ?
I looked both up in the documentation and they seemed the same to me.
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How can I format a String number to have commas and round?
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This can also be accomplished using String.format(), which may be easier and/or more flexible if you are formatting multiple numbers in one string.
String number = "1000500000.574";
Double numParsed = Double.parseDouble(number);
System.out.println(String.format("The input number is:...
“is” operator behaves unexpectedly with integers
...entation keeps an
array of integer objects for all
integers between -5 and 256, when you
create an int in that range you
actually just get back a reference to
the existing object. So it should be
possible to change the value of 1. I
suspect the behaviour of Python in
this case is und...
T-SQL - function with default parameters
...trated. I am not getting advantage of default concept here... I need to go and change all the places now.
– LCJ
Sep 12 '14 at 20:26
8
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How can I add an empty directory to a Git repository?
...esign of the git index
(staging area) only permits files to
be listed, and nobody competent enough
to make the change to allow empty
directories has cared enough about
this situation to remedy it.
Directories are added automatically
when adding files inside them. That
is, director...
CSS center display inline block?
... I need a child element with display: inline-block to be both horizontally and vertically centered within a 100% width parent.
I used Flexbox's justify-content and align-items properties, which respectively allow you to center elements horizontally and vertically. By setting both to center on the ...
What are five things you hate about your favorite language? [closed]
...avorite language " question to Stack Overflow. Take your favorite language and tell me five things you hate about it. Those might be things that just annoy you, admitted design flaws, recognized performance problems, or any other category. You just have to hate it, and it has to be your favorite lan...
How to create a zip archive with PowerShell?
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If you head on over to CodePlex and grab the PowerShell Community Extensions, you can use their write-zip cmdlet.
Since
CodePlex is in read-only mode in preparation for shutdown
you can go to PowerShell Gallery.
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Why is std::min failing when windows.h is included?
... (or more correctly, windef.h that it includes in turn) has macros for min and max which are interfering.
You should #define NOMINMAX before including it.
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Check if directory mounted with bash
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Running the mount command without arguments will tell you the current mounts. From a shell script, you can check for the mount point with grep and an if-statement:
if mount | grep /mnt/md0 > /dev/null; then
echo "yay"
else
echo "nay"
...