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How to unbind a listener that is calling event.preventDefault() (using jQuery)?
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The link you provided is broken.
– Stacked
Sep 8 '16 at 9:04
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Declaring and initializing variables within Java switches
... switch statements (which I try to do rarely - cases should be very short, ideally) I usually prefer to introduce a new scope:
case 1: {
int value = 1;
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break;
}
case 2: {
int value = 2;
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break;
}
I believe this is clearer.
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Why is textarea filled with mysterious white spaces?
... @user79685 you're welcome. Read my new comment above, I wasn't really ridiculing you. At least not in a mean way :)
– Pekka
Feb 4 '10 at 20:52
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HTML if image is not found
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The best way to solve your problem:
<img id="currentPhoto" src="SomeImage.jpg" onerror="this.onerror=null; this.src='Default.jpg'" alt="" width="100" height="120">
onerror is a good thing for you :)
Just change the image file name and try yourself.
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Which $_SERVER variables are safe?
...e in a database, but I most certainly wouldn't eval it.
As such, let's divide those values into three categories:
Server controlled
These variables are set by the server environment and depend entirely on the server configuration.
'GATEWAY_INTERFACE'
'SERVER_ADDR'
'SERVER_SOFTWARE'
'DOCUMENT_RO...
how to reset
...n empty string. So in "pure" JavaScript it would be:
document.getElementById("uploadCaptureInputFile").value = "";
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Selecting data frame rows based on partial string match in a column
...emember that subsetting approaches for data.frames and data.tables are not identical):
library(data.table)
mtcars[rownames(mtcars) %like% "Merc", ]
iris[iris$Species %like% "osa", ]
If that is what you had, then perhaps you had just mixed up row and column positions for subsetting data.
If you...
Convert stdClass object to array in PHP
I fetch post_id from postmeta as:
13 Answers
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Why would you use Expression rather than Func?
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When you want to treat lambda expressions as expression trees and look inside them instead of executing them. For example, LINQ to SQL gets the expression and converts it to the equivalent SQL statement and submits it to server (rather than executing the lambda).
Conceptually, Expression<Func&l...
Purpose of Django setting ‘SECRET_KEY’
What exactly is the point of the SECRET_KEY in django? I did a few google searches and checked out the docs ( https://docs.djangoproject.com/en/dev/ref/settings/#secret-key ), but I was looking for a more in-depth explanation of this, and why it is required.
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