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reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
... warning "a reference to a volatile field will not be treated as volatile" What should I think about this?
You should understand why this is a problem in general. That will lead to an understanding of why the warning is unimportant in this particular case.
The reason that the compiler gives this ...
How to pass the value of a variable to the stdin of a command?
I'm writing a shell script that should be somewhat secure i.e. does not pass secure data through parameters of commands and preferably does not use temporary files. How can I pass a variable to the stdin of a command? Or, if it's not possible, how to correctly use temporary files for such task?
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Pythonic way to combine FOR loop and IF statement
...additional comments on your question and the accepted answer
I'm not sure what you are trying to do with enumerate, but if a is a dictionary, you probably want to use the keys, like this:
>>> a = {
... 2: 'Turtle Doves',
... 3: 'French Hens',
... 4: 'Colly Birds',
... 5: '...
Run ssh and immediately execute command [duplicate]
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But what if the script you are attempting to run requires bash environment variables?
– NobleUplift
Oct 20 '15 at 14:23
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Why doesn't Git ignore my specified file?
...he file from the repository without physically deleting the file (that’s what the --cached does). After committing that change, the file will be removed from the repository, and ignoring it should work properly.
share
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Clojure: reduce vs. apply
...shave off a fraction of a blink of an eye -- in a lot of the common cases. What follows is my rationale for believing this.
+ is itself implemented in terms of reduce for the variable-arity case (more than 2 arguments). Indeed, this seems like an immensely sensible "default" way to go for any varia...
Is it good practice to NULL a pointer after deleting it?
...inter to 0 (which is "null" in standard C++, the NULL define from C is somewhat different) avoids crashes on double deletes.
Consider the following:
Foo* foo = 0; // Sets the pointer to 0 (C++ NULL)
delete foo; // Won't do anything
Whereas:
Foo* foo = new Foo();
delete foo; // Deletes the objec...
Converting XML to JSON using Python?
... so converting one to the other necessarily requires some understanding of what you want to do with the results.
That being said, Python's standard library has several modules for parsing XML (including DOM, SAX, and ElementTree). As of Python 2.6, support for converting Python data structures to ...
How to find a text inside SQL Server procedures / triggers?
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I agree with your suggestion. But in a situation like what the OP described, you still need to find all the stored procedures that contain the server IP. And even if you only have to do it once, doing it by hand might be a lot of work.
– Paul Groke
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How to call a JavaScript function from PHP?
...de once the response is received from the AJAX call.
Here's an example of what I think you're doing with jQuery's AJAX
$.get(
'wait.php',
{},
function(returnedData) {
document.getElementById("txt").innerHTML = returnedData;
// Ok, here's where you can call another fun...