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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...e an object.
Also IMO the code looks neater (see below).
Example:
A database object. To make sure the DB connection is used it must be opened and closed. By using RAII this can be done in the constructor/destructor.
C++ Like RAII
void someFunc()
{
DB db("DBDesciptionString");
// Use ...
Convert a String In C++ To Upper Case
...
@PolGraphic: Range - based for uses the container's begin() / end() methods to iterate over its contents. std::basic_string has both a const and a mutable iterator (returned by cbegin() and begin() respectively, see std::basic_string::begin), so ...
How does Hadoop process records split across block boundaries?
...inSize is mapred.min.split.size.
Divide the file into different FileSplits based on the split size calculated above. What's important here is that each FileSplit is initialized with a start parameter corresponding to the offset in the input file. There is still no handling of the lines at that point...
Command-line Tool to find Java Heap Size and Memory Used (Linux)?
...ample output of the VM overview mode:
JvmTop 0.3 alpha (expect bugs) amd64 8 cpus, Linux 2.6.32-27, load avg 0.12
http://code.google.com/p/jvmtop
PID MAIN-CLASS HPCUR HPMAX NHCUR NHMAX CPU GC VM USERNAME #T DL
3370 rapperSimpleApp 165m 455m 109m 176m 0.12% 0.00% S6U37...
How can bcrypt have built-in salts?
...tch.
Bcrypt operates in a very similar manner to more traditional schemes based on algorithms like PBKDF2. The main difference is its use of a derived key to encrypt known plain text; other schemes (reasonably) assume the key derivation function is irreversible, and store the derived key directly.
...
Is there a ceiling equivalent of // operator in Python?
...e. The question asked whether there "is" an operator for this "in" Python. Based on the responses, the answer appears to be "no." I'm upvoting dlitz's answer for its usefulness, though.
– Ana Nimbus
Jul 25 '18 at 22:49
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How to get text box value in JavaScript
...gt;
<script>
function displayname() {
document.getElementById("demo").innerHTML =
document.getElementById("namehere").value;
}
</script>
<p id="demo"></p>
</body>
</html>
shar...
How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat
...you tried this alternative?
li{
list-style-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5+AAAAE0lEQVQIW2NkYGD4D8RwwEi6AACaVAQBULo4sgAAAABJRU5ErkJggg==");
}
sounds hard, but you can make your own png image/pattern here, then copy/paste your code and customize you...
Why does this code segfault on 64-bit architecture but work fine on 32-bit?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Access to the path is denied
...e me too! In my case I should add that I am annoyed that an HttpPostedFileBase object's SaveAs method required a name in addition to the path, considering the name is another property on the object. Of course I guess you could give it a different name this way.
– Ralph
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