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How to get JavaScript caller function line number? How to get JavaScript caller source URL?
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Hi, Thanks for that addon. do you know if its possible to get line number from previous call ? Lets say method A calls B , and now in B I would like to know in what line under A the call was made?
– Tal
Aug 30 '09 at 11:1...
How to instantiate a File object in JavaScript?
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Now you can!
var parts = [
new Blob(['you construct a file...'], {type: 'text/plain'}),
' Same way as you do with blob',
new Uint16Array([33])
];
// Construct a file
var file = new File(parts, 'sample.txt',...
How does a PreparedStatement avoid or prevent SQL injection?
I know that PreparedStatements avoid/prevent SQL Injection. How does it do that? Will the final form query that is constructed using PreparedStatements will be a string or otherwise?
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Get last record in a queryset
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2017 and the accepted answers is out of date now. As shown below you should use queryset.last().
– wobbily_col
Jul 14 '17 at 14:02
add a comment
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PermGen elimination in JDK 8
... get a java.lang.OutOfMemoryError: PermGen error.
The JDK 8 HotSpot JVM is now using native memory for the representation of class metadata and is called Metaspace. Read More>>
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RE error: illegal byte sequence on Mac OS X
...had been using Perl:
find . -type f -print0 | xargs -0 perl -pi -e 's/was/now/g'
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How do I import global modules in Node? I get “Error: Cannot find module ”?
... can use only local modules which are present in your node module folder.
Now to use global module you should link it with node module path using below command.
$ npm link replace
Now go back and see your node module folder you could now be able to see replace module there and can use it with re...
What is a NullReferenceException, and how do I fix it?
... case:
string GetCategory(Book b)
{
if (b == null)
return "Unknown";
return b.Category;
}
Explicitly check for null from method calls and throw a custom exception.
You can also throw a custom exception, only to catch it in the calling code:
string GetCategory(string bookTitle)
{
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Why do I get access denied to data folder when using adb?
... com.yourapp
cd /data/data/com.yourapp
ls -l
exit
Note 1: there is a known issue with some HTC Desire phones. Because of a non-standard owner/permissions of the /data/data directory, run-as command fails to run on those phones.
Note 2: As pointed in the comments by @Avio:
run-as has issues al...
Get Base64 encode file-data from Input Form
...at, but it's here if you want to take a look; it's pretty neat.
What I do now:
The code for converting to string from a Uint8Array is pretty simple (where buf is a Uint8Array):
function uint8ToString(buf) {
var i, length, out = '';
for (i = 0, length = buf.length; i < length; i += 1) {...