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Performance differences between debug and release builds
... NOP opcodes that allow you to set a breakpoint on a curly brace. The big one is the optimizer that's built into the JIT compiler. I know it makes the following optimizations:
Method inlining. A method call is replaced by the injecting the code of the method. This is a big one, it makes proper...
SQL Inner-join with 3 tables?
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This works with just one preference, but how would I want to edit this to make it work with 3 preferences? (one column for each preference)
– Bob Sanders
Apr 17 '12 at 17:05
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Windows 7 SDK installation failure
...ution I've found on the web is to make a swathe of registry changes. I've done this - still no success.
12 Answers
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What is the C runtime library?
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Yes, libcmt is (one of several) implementations of the C standard library provided with Microsoft's compiler. They provide both "debug" and "release" versions of three basic types of libraries: single-threaded (always statically linked), mul...
Python Linked List
...ist = lambda *args: reduce(lambda lst, el: cons(el, lst), reversed(args), None)
car = lambda lst: lst[0] if lst else lst
cdr = lambda lst: lst[1] if lst else lst
nth = lambda n, lst: nth(n-1, cdr(lst)) if n > 0 else car(lst)
length = lambda lst, count=0: length(cdr(lst), count+1) if lst else cou...
How to make connection to Postgres via Node.js
...pg.Client(conString);
client.connect();
//queries are queued and executed one after another once the connection becomes available
var x = 1000;
while (x > 0) {
client.query("INSERT INTO junk(name, a_number) values('Ted',12)");
client.query("INSERT INTO junk(name, a_number) values($1, $2...
Continuous Integration for Ruby on Rails? [closed]
...ifacts where others can see them.
BigTuna seems to be a CruiseControl.rb clone without the (already minimal) community support.
Bamboo looks really neat if you use JIRA and BitBucket, but we use neither. It does deploys but we already have those set up in Capistrano.
The Choice
We went with Jenki...
byte[] to file in Java
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Also since Java 7, one line with java.nio.file.Files:
Files.write(new File(filePath).toPath(), data);
Where data is your byte[] and filePath is a String. You can also add multiple file open options with the StandardOpenOptions class. Add t...
What is JavaScript's highest integer value that a number can go to without losing precision?
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253-1, or
+/- 9,007,199,254,740,991, or
nine quadrillion seven trillion one hundred ninety-nine billion two hundred fifty-four million seven hundred forty thousand nine hundred ninety-one
To put this in perspective: one quadrillion bytes is a petabyte (or one thousand terabytes).
"Safe" in th...
Launch an app from within another (iPhone)
Is it possible to launch any arbitrary iPhone application from within another app?, For example in my application if I want the user to push a button and launch right into the Phone app (close the current app, open the Phone app) .
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