大约有 23,300 项符合查询结果（耗时：0.0426秒） [XML]
How to find the last day of the month from date?
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answered Nov 6 '09 at 10:32
Dominic RodgerDominic Rodger
87.2k2828 gold badges185185 silver badges205205 bronze badges
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How do I find the stack trace in Visual Studio?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How do I specify a password to 'psql' non-interactively?
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32
For example in one line you can do something like: PGPASSWORD=pass1234 psql -u MyUsername myUserName
– andyortlieb
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How to get last N records with activerecord?
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Dan McNevinDan McNevin
21.7k44 gold badges3232 silver badges2828 bronze badges
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Batch: Remove file extension
...s LinuxReader appending '.efs_ntfs' to files that it saved to non-NTFS (FAT32) directories :
@echo off
REM %1 is the directory to recurse through and %2 is the file extension to remove
for /R "%1" %%f in (*.%2) do (
REM Path (sans drive) is given by %%~pf ; drive is given by %%~df
REM file ...
Android: Clear the back stack
...new activity
– Arno
Oct 6 '14 at 12:32
20
I also added one more clear Intent intent = new Intent(...
How to access a mobile's camera from a web app?
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32
Here's great tutorial: html5rocks.com/en/tutorials/getusermedia/intro
– Micah
Mar 13 '13 at 19:07
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How to asynchronously call a method in Java
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answered Dec 3 '09 at 22:32
user85421user85421
27.1k1010 gold badges5959 silver badges8383 bronze badges
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“Find next” in Vim
...ch term.
– Bernhard
Sep 23 '14 at 9:32
1
n isn't 'next' but "repeat last search". So entering ?va...
Quickly reading very large tables as dataframes
...umeric","integer")))
## user system elapsed
## 10.20 0.03 10.32
fread
require(data.table)
system.time(DT <- fread("test.csv"))
## user system elapsed
## 3.12 0.01 3.22
sqldf
require(sqldf)
system.time(SQLDF <- read.csv.sql("test...