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How to add default value for html ? [closed]
... to aid the user with data entry when the control has no value" [and it disappears as soon as user clicks into the textarea]. It will never act as "the default value" for the control. If you want that, you must put the desired text inside the Here is the actual default value, as per other answers he...
Node.js Best Practice Exception Handling
...s depending on our code architecture:
For synchronous code, if an error happens, return the error:
// Define divider as a syncrhonous function
var divideSync = function(x,y) {
// if error condition?
if ( y === 0 ) {
// "throw" the error safely by returning it
return new Er...
Read and write a String from text file
...r: .documentDirectory, in: .userDomainMask).first {
let fileURL = dir.appendingPathComponent(file)
//writing
do {
try text.write(to: fileURL, atomically: false, encoding: .utf8)
}
catch {/* error handling here */}
//reading
do {
let text2 = try String(c...
Compiling problems: cannot find crt1.o
...an's multiarch here: http://wiki.debian.org/Multiarch
Basically, what is happening is various architecture specific libraries are being moved from traditional places in the file system to new architecture specific places. This is why /usr/bin/ld is confused.
You will find crt1.o in both /usr/lib64...
Android add placeholder text to EditText
...int="Please enter phone number"
android:hint="Enter name"
after running app these two edittext will show the entered hint ,after click on edit text it goes and user can enter what he want (see luxurymode image)
share
...
Retrieving Android API version programmatically
...is SDK_INT is available since Donut (android 1.6 / API4) so make sure your application is not retro-compatible with Cupcake (android 1.5 / API3) when you use it or your application will crash (thanks to Programmer Bruce for the precision).
Corresponding android documentation is here and here
...
Changing image sizes proportionally using CSS?
...r a couple of days now to configure my thumbnail gallery so all the images appear the same height and width. However when I change the Css code to,
...
ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
In a nutshell the exception is thrown during POSTing wrapper model and changing the state of one entry to 'Modified'. Before changing the state, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6.
...
How to close a Java Swing application from the code
What is the proper way to terminate a Swing application from the code, and what are the pitfalls?
9 Answers
...
Image library for Python 3
...ge as a PNG file:
from PySide.QtCore import *
from PySide.QtGui import *
app = QCoreApplication([])
img = QImage('input.jpg')
g = QPainter(img)
g.setRenderHint(QPainter.Antialiasing)
g.setBrush(QColor(img.pixel(20, 20)))
g.drawEllipse(QPoint(20, 20), 10, 10)
g.end()
img.save('output.png')
But...