大约有 4,000 项符合查询结果（耗时：0.0235秒） [XML]
What happens if you don't commit a transaction to a database (say, SQL Server)?
...s stuff works or you will be stumped by what sql does, many a time.
Have fun! GJ.
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Get a random item from a JavaScript array [duplicate]
....length-1)];
Or to shuffle an entire array:
// use underscore's shuffle function
var firstRandomElement = _.shuffle(randomArray)[0];
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How to replace spaces in file names using a bash script
.... And this whole question is about micro-optimizing more or less. Isn't it fun, after all? ;-)
– Michael Krelin - hacker
Apr 26 '10 at 18:33
17
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NPM doesn't install module dependencies
...ulate a question, hopefully the community has the knowledge to solve. Have fun!
– allprog
Jul 17 '17 at 14:17
One addi...
Changing overflow icon in the action bar
...nApp"
android:theme="@style/AppTheme">
</application>
Have fun.@.@
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Finding current executable's path without /proc/self/exe
...SD, OpenBSD, BSD x.x, SunOS, Solaris, SYSV, HPUX, Concentrix, SCO, Darwin, AIX, OS X, Nextstep, etc. And with a little modification probably VMS, VM/CMS, DOS/Windows, ReactOS, OS/2, etc. If a program was launched directly from a GUI environment, it should have set argv[0] to an absolute path.
...
What's the fastest way to merge/join data.frames in R?
...bases as well.
library(plyr)
library(data.table)
library(sqldf)
set.seed(123)
N <- 1e5
d1 <- data.frame(x=sample(N,N), y1=rnorm(N))
d2 <- data.frame(x=sample(N,N), y2=rnorm(N))
g1 <- sample(1:1000, N, replace = TRUE)
g2<- sample(1:1000, N, replace = TRUE)
d <- data.frame(d1, g1,...
SQL Server - where is “sys.functions”?
... time.
I'm not sure what Microsoft's rationale is for not including a sys.functions equivalent in SQL Server 2005 (or SQL Server 2008, as far as I can tell), but it's easy enough to roll your own:
CREATE VIEW my_sys_functions_equivalent
AS
SELECT *
FROM sys.objects
WHERE type IN ('FN', 'IF', 'TF')...
Multi-line EditText with Done action button
...pply other configurations like textCapSentences you can use this extension function:
// To use this, do NOT set inputType on the EditText in the layout
fun EditText.setMultiLineCapSentencesAndDoneAction() {
imeOptions = EditorInfo.IME_ACTION_DONE
setRawInputType(InputType.TYPE_TEXT_FLAG_CAP...
Convert from MySQL datetime to another format with PHP
...ldate = date( 'Y-m-d H:i:s', $phpdate ) uses that timestamp and PHP's date function to turn that timestamp back into MySQL's standard date format.
(Editor Note: This answer is here because of an original question with confusing wording, and the general Google usefulness this answer provided even if...