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How to use Swift @autoclosure
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Warif Akhand Rishi
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answered Jun 8 '14 at 5:28
eddie_ceddie_c
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How to find out the number of CPUs using python
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Anthony Sottile
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answered Jun 17 '09 at 10:53
Nadia AlramliN...
Count occurrences of a char in plain text file
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answered Oct 21 '09 at 21:37
CascabelCascabel
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Clear Text Selection with JavaScript
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answered Jul 3 '10 at 0:46
Gert GrenanderGert Grenander
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How to detect user inactivity in Android
...vity extends Activity {
public static final long DISCONNECT_TIMEOUT = 300000; // 5 min = 5 * 60 * 1000 ms
private static Handler disconnectHandler = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
// todo
r...
How to succinctly write a formula with many variables from a data frame?
... the . identifier.
y <- c(1,4,6)
d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2))
mod <- lm(y ~ ., data = d)
You can also do things like this, to use all variables but one (in this case x3 is excluded):
mod <- lm(y ~ . - x3, data = d)
Technically, . means all ...
How to prevent http file caching in Apache httpd (MAMP)
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+50
Tried t...
Copy all files with a certain extension from all subdirectories
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edited Jun 4 '15 at 8:23
answered Mar 25 '13 at 14:10
Br...
how to know if the request is ajax in asp.net mvc?
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3 Answers
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MySQL remove all whitespaces from the entire column
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203
To replace all spaces :
UPDATE `table` SET `col_name` = REPLACE(`col_name`, ' ', '')
To remov...