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Database sharding vs partitioning
...here: Instagram Engineering - Sharding & IDs
See here as well: http://www.quora.com/Whats-the-difference-between-sharding-and-partition
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Order by multiple columns with Doctrine
...ve you the correctly formatted SQL.
More info on add() function. https://www.doctrine-project.org/projects/doctrine-orm/en/2.6/reference/query-builder.html#low-level-api
Hope this helps. Cheers!
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
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This bug is fixed in "gcc-4.6".
https://bugs.launchpad.net/ubuntu/+source/gcc-4.5/+bug/793411
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How do I clear a search box with an 'x' in bootstrap 3?
...de the 'x' if the input is empty, make Ajax requests and so on. See http://www.bootply.com/121508
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Difference between \b and \B in regex
...s well as at any position between two non-word characters.
Source: http://www.regular-expressions.info/wordboundaries.html
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create a trusted self-signed SSL cert for localhost (for use with Express/Node)
... = State
L = Location
O = Organization Name
OU = Organizational Unit
CN = www.localhost.com
[v3_req]
keyUsage = critical, digitalSignature, keyAgreement
extendedKeyUsage = serverAuth
subjectAltName = @alt_names
[alt_names]
DNS.1 = www.localhost.com
DNS.2 = localhost.com
DNS.3 = localhost
An expla...
What is the difference between buffer and cache memory in Linux?
...reading.
quote from:
https://web.archive.org/web/20110207101856/http://www.linuxforums.org/articles/using-top-more-efficiently_89.html
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Parallel.ForEach vs Task.Factory.StartNew
...o demonstrated how Parallel.For utilizes your core more efficiently http://www.youtube.com/watch?v=No7QqSc5cl8 as compared to normal tasks and threads.
Experiment 1
Parallel.For(0, 1000000000, x => Method1());
Experiment 2
for (int i = 0; i < 1000000000; i++)
{
Task o = new Task(Metho...
Compare if two variables reference the same object in python
...ike to have a visual feedback, that's why I sometimes just open up http://www.pythontutor.com/visualize.html#mode=edit to see how the memory is allocated and what is referencing what.
Added this awesome gif as this reply is about visualizing..
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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
...ons. Just open the Terminal, copy and paste the provided commands.
http://www.iphonedevsdk.com/forum/iphone-sdk-development/100229-snow-leopard-sdk-5-1-a.html
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