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Get Image Height and Width as integer values?
...
Don't work: getimagesize() expects parameter 1 to be string, resource given, function getimagesize expects filename
– lopisan
Aug 14 '15 at 7:48
add a co...
javax.faces.application.ViewExpiredException: View could not be restored
...tton value="Logout" action="logout?faces-redirect=true" />
or
public String logout() {
// ...
return "index?faces-redirect=true";
}
To instruct the browser to not cache the dynamic JSF pages, create a Filter which is mapped on the servlet name of the FacesServlet and adds the needed ...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
...
By default
Primitives are passed by value. Unlikely to Java, string is primitive in PHP
Arrays of primitives are passed by value
Objects are passed by reference
Arrays of objects are passed by value (the array) but each object is passed by reference.
<?php
$obj=new stdClass();
$obj...
What's the fastest way to merge/join data.frames in R?
...")
# [1] ‘1.7.1’
packageVersion("sqldf")
# [1] ‘0.4.6.4’
R.version.string
# R version 2.15.1 (2012-06-22)
Please note that I don't know plyr well so please do check with Hadley before relying on the plyr timings here. Also note that the data.table do include the time to convert to data.tab...
Watermark / hint text / placeholder TextBox
... if (c is ComboBox)
{
return (c as ComboBox).Text == string.Empty;
}
else if (c is TextBoxBase)
{
return (c as TextBox).Text == string.Empty;
}
else if (c is ItemsControl)
{
return (c as ItemsControl).Items...
how get yesterday and tomorrow datetime in c#
...
The trick is to use "DateTime" to manipulate dates; only use integers and strings when you need a "final result" from the date.
For example (pseudo code):
Get "DateTime tomorrow = Now + 1"
Determine date, day of week, day of month - whatever you want - of the resulting date.
...
Extracting text OpenCV
...;
#define INPUT_FILE "1.jpg"
#define OUTPUT_FOLDER_PATH string("")
int _tmain(int argc, _TCHAR* argv[])
{
Mat large = imread(INPUT_FILE);
Mat rgb;
// downsample and use it for processing
pyrDown(large, rgb);
Mat small;
cvtColor(rgb, small, CV_BGR2GRAY);
...
How do you use bcrypt for hashing passwords in PHP?
...PRECATED)
You can use crypt() function to generate bcrypt hashes of input strings. This class can automatically generate salts and verify existing hashes against an input. If you are using a version of PHP higher or equal to 5.3.7, it is highly recommended you use the built-in function or the compa...
What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
...talking to customers or for display on your website. This version can be a string, like '1.0 Release Candidate'.
The AssemblyInformationalVersion is optional. If not given, the AssemblyFileVersion is used.
I use the format: major.minor[.patch] [revision as string]. This would result in:
[assembly...
Java 8 Streams: multiple filters vs. complex condition
....currentTimeMillis();
return time2 - time1;
}
public static void main(String... args) {
int size = 10000000;
List<User> users =
IntStream.range(0,size)
.mapToObj(i -> i % 2 == 0 ? new User(Gender.MALE, i % 100) : new User(Gender.FEMALE, i % 100))
.co...