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How do I fix “for loop initial declaration used outside C99 mode” GCC error?
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gcc -std=c99 foo.c -o foo
REF: http://cplusplus.syntaxerrors.info/index.php?title='for'_loop_initial_declaration_used_outside_C99_mode
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Node.js quick file server (static files over HTTP)
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And on PHP: php -S localhost:8000
– dennis
Apr 11 '17 at 17:03
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MySQL: multiple tables or one table with many columns?
...ple the date-of-birth of a user will not be updated ever, but the back end token may be invalidated after a period of time and will require frequent updates. Would it be better if I separate the tables in this manner to improve the performance? I'll now go read about the wiki that you mentioned :)
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Generate sql insert script from excel worksheet
...ndy tool which saves a lot of time at
http://tools.perceptus.ca/text-wiz.php?ops=7
You just have to feed in the table name, field names and the data - tab separated and hit Go!
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What does the “at” (@) symbol do in Python?
...tors, which includes @, which makes it also an operator:
The following tokens are operators:
+ - * ** / // % @
<< >> & | ^ ~
< > <= >= == !=
and in the next page, the Dat...
Accessing the index in 'for' loops?
... an index variable (which you would normally use in languages such as C or PHP), is considered non-pythonic.
The better option is to use the built-in function enumerate(), available in both Python 2 and 3:
for idx, val in enumerate(ints):
print(idx, val)
Check out PEP 279 for more.
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What does “Auto packing the repository for optimum performance” mean?
... "If you let Git finish", and it can... fatal: Out of memory, malloc failed (tried to allocate 79610689 bytes) error: failed to run repack -- this is what I get for sticking our entire codebase into one git repo. Guess I'm going to kill apps and force repack "manually"
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Uploading both data and files in one form using Ajax?
...uery identifier.
You can upload data and files with one form using ajax.
PHP + HTML
<?php
print_r($_POST);
print_r($_FILES);
?>
<form id="data" method="post" enctype="multipart/form-data">
<input type="text" name="first" value="Bob" />
<input type="text" name="middl...
Get properties and values from unknown object
From the world of PHP I have decided to give C# a go. I've had a search but can't seem to find the answer of how to do the equivalent to this.
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When to use StringBuilder in Java [duplicate]
...te code. Also I was a bit sceptic about big performance increase as object allocation is so cheap now. HOWEVER switching to explicit StringBuilder 1 instance gave me 0-1ms from ~120ms on 1000 iterations. So StringBuilder is still necessary for critical places in similar cases.
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