大约有 46,000 项符合查询结果(耗时:0.0664秒) [XML]
In VIM, how do I break one really long line into multiple lines?
...
11 Answers
11
Active
...
Function to Calculate Median in SQL Server
...that may yield better results. Also, SQL Server releases since then (especially SQL 2012) have introduced new T-SQL features that can be used to calculate medians. SQL Server releases have also improved its query optimizer which may affect perf of various median solutions. Net-net, my original 2009 ...
How to use sed to remove the last n lines of a file
... |
edited Feb 20 '14 at 11:50
laalto
131k3030 gold badges237237 silver badges266266 bronze badges
answ...
Associative arrays in Shell scripts
....0 (available now on most major distros, though not on OS X unless you install it yourself), ksh, and zsh:
declare -A newmap
newmap[name]="Irfan Zulfiqar"
newmap[designation]=SSE
newmap[company]="My Own Company"
echo ${newmap[company]}
echo ${newmap[name]}
Depending on the shell, you may need to...
Node.js quick file server (static files over HTTP)
Is there Node.js ready-to-use tool (installed with npm ), that would help me expose folder content as file server over HTTP.
...
Importing CSV with line breaks in Excel 2007
...
@user1859022 I double that for Hungarian locale. actually any locale that uses comma as decimal separator has to use semicolon as field separator for the double-click csv open to work properly
– robotik
Jul 28 '16 at 11:53
...
How to deal with a slow SecureRandom generator?
If you want a cryptographically strong random numbers in Java, you use SecureRandom . Unfortunately, SecureRandom can be very slow. If it uses /dev/random on Linux, it can block waiting for sufficient entropy to build up. How do you avoid the performance penalty?
...
How to convert an entire MySQL database characterset and collation to UTF-8?
...
@Andrew Large production systems usually have a mirrored DB for maintenance.
– BalusC
Nov 30 '17 at 16:19
1
...
What does a just-in-time (JIT) compiler do?
What does a JIT compiler specifically do as opposed to a non-JIT compiler? Can someone give a succinct and easy to understand description?
...
How do I find a default constraint using INFORMATION_SCHEMA?
...efault value constraint
SELECT
default_constraints.name
FROM
sys.all_columns
INNER JOIN
sys.tables
ON all_columns.object_id = tables.object_id
INNER JOIN
sys.schemas
ON tables.schema_id = schemas.schema_id
INNER JOIN
sys.default_const...