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mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...e some simple apps, that have simple db structure similar to sql. When you start having subdocuments and want to make all those crazy queries i found it really hard with mongoose. You have to look at mongodb docs, then look at mongoose docs to find out how to make a query you want. Sometimes you wil...
What are metaclasses in Python?
... MyType(type):
def __new__(mcls, name, bases, attrs):
if name.startswith('None'):
return None
# Go over attributes and see if they should be renamed.
newattrs = {}
for attrname, attrvalue in attrs.iteritems():
if getattr(attrvalue, 'is_ho...
Send email using java
...
Properties props = new Properties();
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.port", "587");
Session session = Session.getInstance(props,
...
Fastest hash for non-cryptographic uses?
...hing to crypt as all the others.
<?php
set_time_limit(720);
$begin = startTime();
$scores = array();
foreach(hash_algos() as $algo) {
$scores[$algo] = 0;
}
for($i=0;$i<10000;$i++) {
$number = rand()*100000000000000;
$string = randomString(500);
foreach(hash_algos() as $a...
Replace Fragment inside a ViewPager
... with the FragmentPagerAdapter base class used by the author.
I'd like to start by answering the author's question about which ID he should use; it is ID of the container, i.e. ID of the view pager itself. However, as you probably noticed yourself, using that ID in your code causes nothing to happe...
docker mounting volumes on host
...is is the case? Is there a way to have a locally mounted volume but still 'start fresh' with the files from the image?
– LostSalad
Oct 4 '15 at 19:05
...
Equation (expression) parser with precedence?
...
to do this manually, you would have to read the 1, then see the plus and start a whole new recursive parse "session" starting with 11... and make sure to parse the 11 * 5 into its own factor, yielding a parse tree with 1 + (11 * 5).
This all feels so painful even to attempt to explain, especially...
What is the fastest integer division supporting division by zero no matter what the result is?
...443s
If zeroes are rare, the -DCHECK=2 version performs badly. As zeroes start appearing more, the -DCHECK=2 case starts performing significantly better. Out of the other options, there really isn't much difference.
For -O3, though, it is a different story:
Iterations → | 0 | 1 |...
What is the difference between a strongly typed language and a statically typed language?
...e checked before being executed, and a program might be rejected before it starts. Dynamic typing means that the types of values are checked during execution, and a poorly typed operation might cause the program to halt or otherwise signal an error at run time. A primary reason for static typing i...
What's your favorite “programmer” cartoon?
...ed this theory during a talk at Google: youtube.com/watch?v=zJOS0sV2a24 -- start at 8:26 or so. The talk is also exciting because Donald Knuth asks the first question!
– A. Rex
Sep 23 '08 at 1:07
...