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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...a number being inserted into a varchar or text field, but inserting a text string into a field with a numeric data type would result in bad data.
– codewaggle
Dec 18 '12 at 11:02
2...
WSDL vs REST Pros and Cons
...n get the job done at times when a heavyweight is not required. Also, the extra "stuff" like WS-Security, or Transactions introduces extra complexity that REST simply does not have.
– Kekoa
May 8 '09 at 18:01
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What does O(log n) mean exactly?
... occurred at the office, and every entry in each of the phone books has an extra "0" at the end of the phone number. Take some white-out and remove each zero.
O(n · n!): We're ready to load the phonebooks onto the shipping dock. Unfortunately, the robot that was supposed to load the books has gone ...
How to deploy correctly when using Composer's develop / production switch?
...roduction server and without going through preview/staging. That's just an extra bit of caution.
– Scalable
Mar 25 '15 at 1:14
3
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Repeat a task with a time delay?
...be the one passed as the parameter interval;). Also avoid width of over 80 chars in the code when possible (almost always ;)
– Mr_and_Mrs_D
Mar 15 '13 at 9:24
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printf() formatting for hex
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The # part gives you a 0x in the output string. The 0 and the x count against your "8" characters listed in the 08 part. You need to ask for 10 characters if you want it to be the same.
int i = 7;
printf("%#010x\n", i); // gives 0x00000007
printf("0x%08x\n", i);...
Relative paths based on file location instead of current working directory [duplicate]
... have readlink, but has POSIX-compatible utilities - e.g., HP-UX (thanks, @Charles Duffy).
The following solution, inspired by https://stackoverflow.com/a/1116890/45375,
defines helper shell function, rreadlink(), which resolves a given symlink to its ultimate target in a loop - this function is i...
When should I use Inline vs. External Javascript?
...d as <static> and <dynamic>. The static portion is basically a string constant which you shove down the response pipe as fast as you possibly can. This can be a little tricky if you use a lot of middleware that sets cookies (these need to be set before sending http content), but in princ...
When should I use RequestFactory vs GWT-RPC?
...ying, but if you have to create proxies anyway, then you'd rather have the extra help that RF gives you for managing those proxies. Not everybody wants to send the entire pojo to the client - for example, consider a poker game - your Player object might have information that everybody should see (n...
Use of Finalize/Dispose method in C#
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as extra computing effort is needed in the CLR to keep track of classes with active finalizers. - Implementing a finalizer causes this to happen. Calling GC.SuppressFinalize means that the Finalizer should not be called by the r...