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How to clear all s’ contents inside a parent ?
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Using .empty() would be a better option as no string parsing is involved. It operates directly on the DOM object model.
– Drew Noakes
Aug 22 '10 at 19:43
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How to specify maven's distributionManagement organisation wide?
...s to create a simple parent pom file project (with packaging 'pom') generically for all projects from your organization.
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="...
How do I check if string contains substring? [duplicate]
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if (~str.indexOf("Yes"))
This works because indexOf() returns -1 if the string wasn't found at all.
Note that this is case-sensitive.
If you want a case-insensitive search, you can write
if (str.toLowerCase().indexOf("yes") >= 0)
Or:
if (/yes/i.test(str))
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Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
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Save the conditions in a list:
List<string> conditions = new List<string>();
if (condition1) conditions.Add("Col1=0");
//...
if (conditions.Any())
Query += " WHERE " + string.Join(" AND ", conditions.ToArray());
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List of strings to one string
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I would go with option A:
String.Join(String.Empty, los.ToArray());
My reasoning is because the Join method was written for that purpose. In fact if you look at Reflector, you'll see that unsafe code was used to really optimize it. The other two als...
DateTime format to SQL format using C#
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try this below
DateTime myDateTime = DateTime.Now;
string sqlFormattedDate = myDateTime.ToString("yyyy-MM-dd HH:mm:ss.fff");
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What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
...be very useful.
Example :
You have a list of albums :
class Album{
String coverUrl;
String title;
}
And you implement getItemId like this :
@Override
public long getItemId(int position){
Album album = mListOfAlbums.get(position);
return (album.coverUrl + album.title).hashcode...
How do you return a JSON object from a Java Servlet
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I do exactly what you suggest (return a String).
You might consider setting the MIME type to indicate you're returning JSON, though (according to this other stackoverflow post it's "application/json").
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How to print colored text in Python?
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Print a string that starts a color/style, then the string, then end the color/style change with '\x1b[0m':
print('\x1b[6;30;42m' + 'Success!' + '\x1b[0m')
Get a table of format options for shell text with following code:
def print_...
uppercase first character in a variable with bash
I want to uppercase just the first character in my string with bash.
15 Answers
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