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How to merge YAML arrays?
...
If the aim is to run a sequence of shell commands, you may be able to achieve this as follows:
# note: no dash before commands
some_stuff: &some_stuff |-
a
b
c
combined_stuff:
- *some_stuff
- d
- e
- f
This is equivalent t...
What is private bytes, virtual bytes, working set?
...
The short answer to this question is that none of these values are a reliable indicator of how much memory an executable is actually using, and none of them are really appropriate for debugging a memory leak.
Private Bytes refer to the amount of mem...
What are some compelling use cases for dependent method types?
...lem? Nested types in Scala are dependent on their enclosing instance. Consequently, in the absence of dependent method types, attempts to use them outside of that instance can be frustratingly difficult. This can turn designs which initially seem elegant and appealing into monstrosities which are ni...
Approximate cost to access various caches and main memory?
...THESE VALUES ARE ROUGH APPROXIMATIONS. THEY DEPEND ON
CORE AND UNCORE FREQUENCIES, MEMORY SPEEDS, BIOS SETTINGS,
NUMBERS OF DIMMS, ETC,ETC..YOUR MILEAGE MAY VARY."
EDIT: I should highlight that, as well as timing/cycle information, the above intel document addresses much more (extremely) usefu...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...ng(&s, length);
break;
case RMAppReceiptASN1TypeOpaqueValue:
_opaqueValue = data;
break;
case RMAppReceiptASN1TypeHash:
_hash = data;
break;
case RMAppReceiptASN1TypeInAppPurchaseReceipt:
{
RM...
What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...-score)))
The PHP code on the server checks the token to make sure the request came from a valid game instance, then decrypts the encrypted high score, checking to make sure the high-score matches the SHA1 of the high-score (if you skip this step, decryption will simply produce random, likely very...
What is the difference between SAX and DOM?
... the ease of navigation.
Slower at run time.
SAX
Event based parser (Sequence of events).
SAX parses the file as it reads it, i.e. parses node by node.
No memory constraints as it does not store the XML content in the memory.
SAX is read only i.e. can’t insert or delete the node.
Use SAX parse...
Where are my postgres *.conf files?
I have recently reinstalled postgresql 8.3 on my Ubuntu 8.04 after update. Used EnterpriseDB package. I can connect to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.con...
How do I tell git to always select my local version for conflicted merges on a specific file?
...ever, that specific remark does not answer what is a broader more general question, i.e. your question(!):
How do I tell git to always select my local version for conflicted merges on a specific file ? (for any file or group of file)
This kind of merge is a "copy merge", in which you will alw...
How to integrate nodeJS + Socket.IO and PHP?
... to communicate between nodeJS and PHP. Here is the idea : nodeJS is still quite new, and it can be kind of tricky to develop a full application only with it. Moreover, you may need it only for one module of your project, like realtime notifications, chat, ... And you want to manage all the other st...