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Why doesn't a python dict.update() return the object?
...
Also, if the keys in award_dict are not string the interpreter will throw a TypeError
– kunl
Aug 1 '15 at 14:59
3
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Spring @PostConstruct vs. init-method attribute
...ts InitializingBean {
@Value("${mycomponent.value:Magic}")
public String value;
public MyComponent() {
log.info("MyComponent in constructor: [{}]", value); // (0) displays: Null
}
@PostConstruct
public void postConstruct() {
log.info("MyComponent in postCon...
How to get the body's content of an iframe in Javascript?
...s just one line of native JavaScript.
For me it's the best, easy readable and even afaik the shortest way to get the iframes content.
First get your iframe
var iframe = document.getElementById('id_description_iframe');
// or
var iframe = document.querySelector('#id_description_iframe');
And th...
Android: Tabs at the BOTTOM
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Here's the simplest, most robust, and scalable solution to get tabs on the bottom of the screen.
In your vertical LinearLayout, put the FrameLayout above the TabWidget
Set layout_height to wrap_content on both FrameLayout and TabWidget
Set FrameLayout'...
How to find if a given key exists in a C++ std::map
... us std::map::contains to do that.
#include <iostream>
#include <string>
#include <map>
int main()
{
std::map<int, std::string> example = {{1, "One"}, {2, "Two"},
{3, "Three"}, {42, "Don\'t Panic!!!"}};
if(example.contains(42))...
How to append text to an existing file in Java?
...You can use fileWriter with a flag set to true , for appending.
try
{
String filename= "MyFile.txt";
FileWriter fw = new FileWriter(filename,true); //the true will append the new data
fw.write("add a line\n");//appends the string to the file
fw.close();
}
catch(IOException ioe)
{
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How to strip HTML tags from a string in SQL Server?
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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/…
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How to know if two arrays have the same values
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If your array items are not objects- if they are numbers or strings, for example, you can compare their joined strings to see if they have the same members in any order-
var array1= [10, 6, 19, 16, 14, 15, 2, 9, 5, 3, 4, 13, 8, 7, 1, 12, 18, 11, 20, 17];
var array2= [12, 18, 20, 11, ...
How to check type of variable in Java?
...trary type that is not defined in your Typetester class - in this instance String, for example?
– Tash Pemhiwa
Oct 7 '13 at 14:16
7
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How to open, read, and write from serial port in C?
... read(3).
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
int
set_interface_attribs (int fd, int speed, int parity)
{
struct termios tty;
if (tcgetattr (fd, &tty) != 0)
{
e...