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Eclipse fonts and background color
...odify the background of the other windows (i.e., Package Explorer, LogCat, etc.)?
– gonzobrains
May 15 '13 at 22:23
@a...
Returning multiple objects in an R function [duplicate]
...which has some private variables and encapsulates, maybe, height , age , etc.
6 Answers
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Replacing all non-alphanumeric characters with empty strings
...e second one doesn't answer the question. What about characters like : / \ etc?
– WW.
Dec 29 '14 at 4:03
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How to get first 5 characters from string [duplicate]
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For single-byte strings (e.g. US-ASCII, ISO 8859 family, etc.) use substr and for multi-byte strings (e.g. UTF-8, UTF-16, etc.) use mb_substr:
// singlebyte strings
$result = substr($myStr, 0, 5);
// multibyte strings
$result = mb_substr($myStr, 0, 5);
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Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...控最大连接数。
服务端还需要调整一下系统的参数，在/etc/sysctl.conf中：
net.core.somaxconn = 2048
net.core.rmem_default = 262144
net.core.wmem_default = 262144
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_rmem = 4096 4096 16777216 ...
How to enable cURL in PHP / XAMPP
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On Debian with Apache 2:
apt-get install php5-curl
/etc/init.d/apache2 restart
(php4-curl if it's php4)
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List of macOS text editors and code editors [closed]
...ndons each version. (Version 5 for Mountain Lion, Version 6 for Mavericks, etc). You have to rebuy each version.
– terphi
Apr 9 '14 at 19:49
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Can someone give an example of cosine similarity, in a very simple, graphical way?
...to a document citing Paris and London three times each, but not Amsterdam, etc. As said, we can try and imagine the this fancy space for 10 or 100 cities. It's hard to draw, but easy to conceptualize.
I'll wrap up just by saying a few words about the formula itself. As I've said, other references p...
Getting only Month and Year from SQL DATE
... want the result to be a date
- But you want to 'discard' the Days, Hours, etc
- Leaving a year/month only date field
SELECT
DATEADD(MONTH, DATEDIFF(MONTH, 0, <dateField>), 0) AS [year_month_date_field]
FROM
<your_table>
This gets the number of whole months from a base date (0...
How do I set $PATH such that `ssh user@host command` works?
...work connection". This works on RHEL, but not on Archlinux. I had to edit /etc/environment to change the default PATH
– basin
Apr 24 '13 at 4:22
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