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Create a .csv file with values from a Python list
...l fields, only fields with quotes and seperators, only non numeric fields, etc) and how to esacpe control charecters (double quotes, or escaped strings). If your values are simple, string.join will probably be OK but if you're having to manage lots of edge cases, use the module available.
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Lazy Method for Reading Big File in Python?
...for blobs, but may not be good for line separated content (like CSV, HTML, etc where processing needs to be handled line by line)
– cgseller
Aug 6 '15 at 0:42
add a comment
...
Nginx no-www to www and www to no-www
...on / {
rewrite ^/cp/login?$ /cp/login.php last;
# etc etc...
}
}
Note: I have not originally included https:// in my solution since we use loadbalancers and our https:// server is a high-traffic SSL payment server: we do not mix https:// and http://.
To check t...
How to save a PNG image server-side, from a base64 data string
...om the explode, depending on whether it's data:image/jpg or data:image/png etc.
– drew010
Feb 16 '17 at 16:17
i got th...
join list of lists in python [duplicate]
...el
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a
b
c
From those links, apparently the most complete-fast-elegant-etc implementation is the following:
def flatten(l, ltypes=(list, tuple)):
ltype = type(l)
l = list(l)
i = 0
while i < len(l):
while isinstance(l[i], ltypes):
if not l[i]:
...
Check if a variable is a string in JavaScript
...[object ' + name + ']';
};
});
That will define isString, isNumber, etc.
In Node.js, this can be implemented as a module:
module.exports = [
'Arguments',
'Function',
'String',
'Number',
'Date',
'RegExp'
].reduce( (obj, name) => {
obj[ 'is' + name ] = x => toString....
What are bitwise shift (bit-shift) operators and how do they work?
...een attempting to learn C in my spare time, and other languages (C#, Java, etc.) have the same concept (and often the same operators) ...
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Should developers have administrator permissions on their PC
...much crappy software results - writes to C:\Program Files, writes to HKLM, etc. On your workstation, maybe, but require testing where you don't.
– SqlRyan
Mar 31 '09 at 15:45
4
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back button callback in navigationController in iOS
... raise an UIAlertView to confirm the action, then pop the view controller, etc.
Or instead of creating a new backbutton, you can conform to the UINavigationController delegate methods to do actions when the back button is pressed.
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How to prevent a background process from being stopped after closing SSH client in Linux
...
EOF
This works on every single shell I've ever tried, including busybox/etc (initramfs). I've never seen it done before, I independently discovered it while prodding, who knew source could accept args? But it often serves as a much more manageable form of eval, if there is such a thing.
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