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How do I iterate over a JSON structure? [duplicate]
...ject. That is why this works. However if anybody have a JSON object he can convert it to a JS object and then use your method. To convert a JSON object to JS object use jsObject = JSON.parse(jsonObject);
– prageeth
Oct 31 '14 at 4:48
...
What do people find difficult about C pointers? [closed]
...ople have some pretty fundemental issues when getting their heads around pointers and pointer arithmetic.
29 Answers
...
What's the best practice to round a float to 2 decimals? [duplicate]
...am d
* @param decimalPlace
* @return
*/
public static float round(float d, int decimalPlace) {
BigDecimal bd = new BigDecimal(Float.toString(d));
bd = bd.setScale(decimalPlace, BigDecimal.ROUND_HALF_UP);
return bd.floatValue();
}
You need to decide if you want to round up or down. In m...
Finding index of character in Swift String
...acters. That also applies to positions. The _position is probably an index into the raw array of bytes and they don't want to expose that. The String.Index is meant to protect us from accessing bytes in the middle of characters.
That means that any index you get must be created from String.startInd...
Sort Go map values by keys
...revious
implementation. If you require a stable iteration order you must
maintain a separate data structure that specifies that order.
Here's my modified version of example code:
http://play.golang.org/p/dvqcGPYy3-
package main
import (
"fmt"
"sort"
)
func main() {
// To create a map ...
Is there a C# case insensitive equals operator?
...ore case string comparison. This is also the fastest way, much faster than converting the strings to lower or upper case and comparing them after that.
I tested the performance of both approaches and the ordinal ignore case string comparison was more than 9 times faster! It is also more reliable th...
Ruby capitalize every word first letter
...as"
"kirkDouglas"
"KirkDouglas"
#titleize gotchas
Rails's titleize will convert things like dashes and underscores into spaces and can produce other unexpected results, especially with case-sensitive situations as pointed out by @JamesMcMahon:
"hEy lOok".titleize #=> "H Ey Lo Ok"
because it...
Get the index of the nth occurrence of a string?
...ht look like this:
public static class StringExtender
{
public static int NthIndexOf(this string target, string value, int n)
{
Match m = Regex.Match(target, "((" + Regex.Escape(value) + ").*?){" + n + "}");
if (m.Success)
return m.Groups[2].Captures[n - 1].Inde...
Synchronise ScrollView scroll positions - android
...
There is a method in ScrollView...
protected void onScrollChanged(int x, int y, int oldx, int oldy)
Unfortunately Google never thought that we would need to access it, which is why they made it protected and didn't add a "setOnScrollChangedListener" hook. So we will have to do that for ou...
Bash syntax error: unexpected end of file
...m on StackOverflow
Open the file in Vim and try
:set fileformat=unix
Convert eh line endings to unix endings and see if that solves the
issue. If editing in Vim, enter the command :set fileformat=unix and
save the file. Several other editors have the ability to convert line
endings, such...