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Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
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Read about CSRF attacks.
– Jesse Dhillon
Jul 17 '10 at 2:35
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How do I create a list of random numbers without duplicates?
..., 10)
With reference to your specific code example, you probably want to read all the lines from the file once and then select random lines from the saved list in memory. For example:
all_lines = f1.readlines()
for i in range(50):
lines = random.sample(all_lines, 40)
This way, you only need...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
... received in your serialPort1_DataReceived method is coming from another thread context than the UI thread, and that's the reason you see this error.
To remedy this, you will have to use a dispatcher as descibed in the MSDN article:
How to: Make Thread-Safe Calls to Windows Forms Controls
So instead...
Why can I change value of a constant in javascript
...ray or object you're not re-assigning or re-declaring the constant, it's already declared and assigned, you're just adding to the "list" that the constant points to.
So this works fine:
const x = {};
x.foo = 'bar';
console.log(x); // {foo : 'bar'}
x.foo = 'bar2';
console.log(x); // {foo : 'b...
Get program execution time in the shell
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How is this used on a command like time -p i=x; while read line; do x=x; done < /path/to/file.txt? It immediatly returns 0.00 unless I don't put anything before the while loop.. what gives?
– natli
Dec 14 '12 at 21:45
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How to use custom packages
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First, be sure to read and understand the "How to write Go code" document.
The actual answer depends on the nature of your "custom package".
If it's intended to be of general use, consider employing the so-called "Github code layout". Basica...
How can I implement an Access Control List in my Web MVC application?
...w you use this sort of structure:
// assuming that you have two objects already: $currentUser and $controller
$acl = new AccessControlList( $currentUser );
$controller = new SecureContainer( $controller, $acl );
// you can execute all the methods you had in previous controller
// only now they wi...
How do I directly modify a Google Chrome Extension File? (.CRX)
...ions...", I got "Error Loading Extension"..."Manifest file is missing or unreadable".
– jbyrd
Nov 11 '15 at 5:16
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show 4 more comments
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Why is it not possible to extend annotations in Java?
... generators,
for example, fall into this category.
These programs will read annotated
classes without loading them into the
virtual machine, but will load
annotation interfaces.
So, yes I guess, the reason is it just KISS. Anyway, it seems this issue (along with many others) are being lo...
“is” operator behaves unexpectedly with integers
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@Ashwani try reading the comments right next to your comment, posted two years before yours, and you'll find the answer to your question.
– jbg
May 16 at 7:05
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