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C# Float expression: strange behavior when casting the result float to int
... no problem, it's just symantics but can cause trouble if somebody starts thinking float->int involves rounding. =D
– Jim D'Angelo
Jan 18 '12 at 14:25
add a commen...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...n doesn't show the current CPU load but the average cpu load since the CPU started.
– Etienne
Sep 11 '14 at 15:54
...
Database development mistakes made by application developers [closed]
...p for writing correct queries.
From Why I Hate DISTINCT:
Where things start to go sour in my
opinion is when a developer is
building substantial query, joining
tables together, and all of a sudden
he realizes that it looks like he is
getting duplicate (or even more) rows
and his imm...
SET NAMES utf8 in MySQL?
...tf8"); this is setup stuff and not a query. put it right afte a connection start with setCharset() (or similar method)
some little thing in parctice:
status:
mysql server by default talks latin1
your hole app is in utf8
connection is made without any extra (so: latin1) (no SET NAMES utf8 ...,...
How can I visualize per-character differences in a unified diff file?
...s a diff-highlight perl script that shows fine-grained highlights.
Quick start to use it:
$ curl https://git.kernel.org/cgit/git/git.git/plain/contrib/diff-highlight/diff-highlight > diff-highlight
$ chmod u+x diff-highlight
$ git diff --color=always HEAD~10 | diff-highlight | less -R
...
Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
...esarry trouble to find those users and kill same or some times u have to restart sql server if connections to db are so frequent.
– Saurabh Sinha
Nov 25 '14 at 19:16
add a com...
Organizing a multiple-file Go project [closed]
...
@ElgsQianChen The methods need to be public, it has to start with a capital letter. E.g. MyMethod() or MyStruct{...}.
– Gustav
Jan 24 '14 at 11:20
...
Splitting on last delimiter in Python string?
...c', 'd']
>>> s.rpartition(',')
('a,b,c', ',', 'd')
Both methods start splitting from the right-hand-side of the string; by giving str.rsplit() a maximum as the second argument, you get to split just the right-hand-most occurrences.
...
How do I get LaTeX to hyphenate a word that contains a dash?
...at is not fully expandable
\ExplSyntaxOn
% latex2e doesn't like commands starting with 'end', apparently expl3 doesn't have any problems with it
\cs_new:Npn \hyphenfix_emdash:c {---}
\cs_new:Npn \hyphenfix_endash:c {--}
\cs_new:Npn \hyphenfix_discardnext:NN #1#2{#1}
\catcode`\-=\active
\cs_new...
Divide a number by 3 without using *, /, +, -, % operators
... = ' ';
itoa(abs(i), &str[1], 3); // Put ternary absolute value starting at str[1]
str[strlen(&str[1])] = '\0'; // Drop last digit
return strtol(str, NULL, 3); // Read back result
}
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