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LINQ Aggregate algorithm explained
...6. Then adds 6 and 4 to make 10.
Example 2. create a csv from an array of strings
var chars = new []{"a","b","c", "d"};
var csv = chars.Aggregate( (a,b) => a + ',' + b);
Console.WriteLine(csv); // Output a,b,c,d
This works in much the same way. Concatenate a a comma and b to make a,b. Then co...
Any way to Invoke a private method?
...method of any class:
public static Object genericInvokeMethod(Object obj, String methodName,
Object... params) {
int paramCount = params.length;
Method method;
Object requiredObj = null;
Class<?>[] classArray = new Class<?>[paramCount];
...
Reset CSS display property to default value
... using javascript is allowed, you can set the display property to an empty string. This will cause it to use the default for that particular element.
var element = document.querySelector('span.selector');
// Set display to empty string to use default for that element
element.style.display = '';
...
nginx upload client_max_body_size issue
...
Thanks, that actually explains a lot. Certainly looks like Expect is the way to go for large requests.
– krukid
Jan 21 '13 at 15:55
...
Image comparison - fast algorithm
...ow.
The second method uses only elementary image processing, and is potentially faster than the first approach, and is straightforward to implement. However, what it gains in understandability, it lacks in robustness -- matching fails on scaled, rotated, or discolored images.
The third method is bo...
.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
....x to 2.0, or if Microsoft decides to change the recommendation again:
if(string.IsNullOrEmpty(Configuration.AppSettings("foobar")))
{
throw CreateMissingSettingException("foobar");
}
...
private static Exception CreateMissingSettingException(string name)
{
return new ConfigurationErrorsEx...
Defining an abstract class without any abstract methods
...ethod.
As for Example :
public abstract class AbstractClass{
public String nonAbstractMethodOne(String param1,String param2){
String param = param1 + param2;
return param;
}
public static void nonAbstractMethodTwo(String param){
System.out.println("Value of pa...
Sequelize Unknown column '*.createdAt' in 'field list'
...('userDetails', {
userId :Sequelize.INTEGER,
firstName : Sequelize.STRING,
lastName : Sequelize.STRING,
birthday : Sequelize.DATE
}, {
timestamps: false
});
or for all models:
var sequelize = new Sequelize('sequelize_test', 'root', null, {
host: "127.0.0.1",
dialect: '...
“Unicode Error ”unicodeescape" codec can't decode bytes… Cannot open text files in Python 3 [duplica
...
The problem is with the string
"C:\Users\Eric\Desktop\beeline.txt"
Here, \U in "C:\Users... starts an eight-character Unicode escape, such as \U00014321. In your code, the escape is followed by the character 's', which is invalid.
You either nee...
How to strip HTML tags from a string in SQL Server?
...
Note that as a string-intensive UDF in SQL Server 2005 or later, this is a perfect candidate for implementing a CLR UDF function for a massive performance boost. More info on doing so here: stackoverflow.com/questions/34509/…
...