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When should iteritems() be used instead of items()?
...lazy" - i.e. map is now effectively itertools.imap, zip is itertools.izip, etc.
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MySQL SELECT only not null values
...r. Right now when I select * I get val1,val2,val3,null,val4,val5,null,null etc.... but I just want to get the values that are not null in my result. Is this possible without filtering with a loop?
– bryan sammon
Mar 12 '11 at 21:06
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PHP session lost after redirect
...o check the knowledge base of your hosting provider (also try their forums etc). For companies like FatCow and iPage, they require you to specify session_save_path. So like this:
session_save_path('"your home directory path"/cgi-bin/tmp');
session_start();
(replace "your home directory path" with...
Read first N lines of a file in python
...tween the two? (in terms of performance, required libraries, compatibility etc)?
– Russell
Nov 20 '09 at 0:34
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How do I print bold text in Python?
...xt is bold and some text is not. There's also no explicit font, text size, etc.
In the case of printing HTML, you're still outputting a string. But the computer program reading that string (a web browser) is programmed to interpret text like this is <b>bold</b> as "this is bold" when it...
How to use a switch case 'or' in PHP
...statements, eg: to test if a value is "greater than 3", "between 4 and 6", etc. If you need to do something like that, stick to using if statements, or if there's a particularly strong need for switch then it's possible to use it back to front:
switch (true) {
case ($value > 3) :
// ...
Is there a method for String conversion to Title Case?
...della, dei, da as in Maria del Carmen, Maria da Silva, Maria della Salute, etc. coderanch.com/t/35096/Programming/…
– Junior Mayhé
Mar 12 '16 at 16:17
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How can I convert a comma-separated string to an array?
...ar temp = new Array();
// This will return an array with strings "1", "2", etc.
temp = str.split(",");
Adding a loop like this,
for (a in temp ) {
temp[a] = parseInt(temp[a], 10); // Explicitly include base as per Álvaro's comment
}
will return an array containing integers, and not strings.
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Any way to delete in vim without overwriting your last yank? [duplicate]
... I would prefer nnoremap d "_d so dd remains dd and likewise d$ etc.
– abhishek77in
Oct 16 '13 at 8:44
2
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How to 'grep' a continuous stream?
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Turn on grep's line buffering mode when using BSD grep (FreeBSD, Mac OS X etc.)
tail -f file | grep --line-buffered my_pattern
You don't need to do this for GNU grep (used on pretty much any Linux) as it will flush by default (YMMV for other Unix-likes such as SmartOS, AIX or QNX).
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