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Maximum number of records in a MySQL database table
...erent table. You would have this happen weekly or monthly in a maintenance script in the middle of a slow time.
When you run into to many rows in your table then you should start sharding the tables or partitioning and put old data in old tables by year such as users_2011_jan, users_2011_feb or use...
Difference between var_dump,var_export & print_r
...f you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_export by default prints the result, but allows returning as string instead by using the optiona...
How many levels of pointers can we have?
... I couldn't get more than 98242 when I tried it. (I did the script in Python, doubling the number of * until I got one that failed, and the preceding one that passed; I then did a binary search over that interval for the first one that failed. The whole test took less than a second t...
Is it possible to “decompile” a Windows .exe? Or at least view the Assembly?
...ine 32-bit debugger, for which you can find numerous user-made plugins and scripts to make it all the more useful.
WinDbg, free, a quite capable debugger by Microsoft. WinDbg is especially useful for looking at the Windows internals, since it knows more about the data structures than other debuggers...
Orchestration vs. Choreography
...vice composition.
Service Choreography
Service choreography is a global description of the participating services, which is defined by exchange of messages, rules of interaction and agreements between two or more endpoints. Choreography employs a decentralized approach for service composition.
The...
Send a pull request on GitHub for only latest commit
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Based on @kevin-hakanson's answer, I wrote this little bash script to make this process easier. It will add the upstream repo if it doesn't already exist (prompting you for the URL) then prompt for both the name of the new branch to create and the tag / SHA of the commit to cherry pic...
Filter Fiddler traffic
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Go to fiddler script tag and paste following into OnBeforeRequest function. (Screenshot below)
if (oSession.url.Contains("ruby:8080") || oSession.url.Contains("localhost:1234"))
{
oSession["ui-hide"] = "yup"; // "The "yup" value ...
How to change value of process.env.PORT in node.js?
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Running your node scripts as root (sudo) is not recommended. Use sudo iptables -t nat -I PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080, and listen on port 8080 instead. stigok.tumblr.com/post/139320914543/…
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Core dumped, but core file is not in the current directory?
...lt kernel behaviour of putting a core file in the cwd (this is done in the script /usr/share/apport/apport). This includes honouring ulimit, in which case it does nothing. But (I assume) as far as the kernel is concerned, a corefile was generated (and piped to apport), hence the message "Segmentatio...
What is the difference between single-quoted and double-quoted strings in PHP?
...n't aware of that. Too bad it doesn't follow the same conventions as shell scripts, i.e. ${variablename}.
– devios1
Jul 25 '13 at 0:26
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