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Regex lookahead for 'not followed by' in grep
...th the C-shell barbarisms disabled (because if I wanted a C shell, I'd use one, but I don't want one), so the ! stuff doesn't affect me — but to get negative lookaheads, you need non-standard grep.
– Jonathan Leffler
May 11 '14 at 16:22
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What's the difference between lapply and do.call?
...So for a n element list, lapply has n function calls, and do.call has just one function call. So do.call is quite different from lapply. Hope this clarifies your issue.
A code example:
do.call(sum, list(c(1, 2, 4, 1, 2), na.rm = TRUE))
and:
lapply(c(1, 2, 4, 1, 2), function(x) x + 1)
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Auto-size dynamic text to fill fixed size container
...th this solution. sandstorm's method is most likely more accurate but this one is faster ;)
– mekwall
Nov 14 '11 at 15:43
2
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Syntax highlighting/colorizing cat
... initialized as $1 if there are two arguments or a default if there's only one. Then you simply write: colorful.sh grep file.
– Costi Ciudatu
Nov 9 '12 at 11:18
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mysql error 1364 Field doesn't have a default values
.../29854279/5389997 Removing strict_trans_table sql mode makes MySQL more prone to data quality errors, so removing it is not a really good advice.
– Shadow
May 18 '17 at 8:59
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Servlet for serving static content
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actually you can add more than one url-pattern tag inside the servelet-mapping ;)
– Fareed Alnamrouti
Jan 28 '12 at 14:41
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What exactly does stringstream do?
...ors on it.
I saw it used mainly for the formatted output/input goodness.
One good example would be c++ implementation of converting number to stream object.
Possible example:
template <class T>
string num2str(const T& num, unsigned int prec = 12) {
string ret;
stringstream ss;
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Drop all tables whose names begin with a certain string
...You may need to modify the query to include the owner if there's more than one in the database.
DECLARE @cmd varchar(4000)
DECLARE cmds CURSOR FOR
SELECT 'drop table [' + Table_Name + ']'
FROM INFORMATION_SCHEMA.TABLES
WHERE Table_Name LIKE 'prefix%'
OPEN cmds
WHILE 1 = 1
BEGIN
FETCH cmds INTO...
How to know when UITableView did scroll to bottom in iPhone
... answered Apr 11 '11 at 21:34
neoneyeneoneye
42.1k2222 gold badges148148 silver badges138138 bronze badges
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How do I format a string using a dictionary in python-3.x?
...placeholder makes the code more explicit, and easier to use. Especially if one has something like this: '{0[latitude]} {1[latitude]} {0[longitude]} {1[longitude]}'.format(geopoint0, geopoint1)
– Løiten
Sep 6 '16 at 13:01
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