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How does a Linux/Unix Bash script know its own PID?
I have a script in Bash called Script.sh , and it needs to know its own PID (i.e. I need to get PID inside the Script.sh )
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TSQL Pivot without aggregate function
... = that value..
In this case, you could also self join 5 times on customerid, filter by dbColumnName per table reference. It may work out better.
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
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I was just wrestling with a similar problem myself, but didn't want the overhead of a function. I came up with the following query:
SELECT myfield::integer FROM mytable WHERE myfield ~ E'^\\d+$';
Postgres shortcuts its conditionals, so you shouldn't get any non-integers hitting ...
How can I count text lines inside an DOM element? Can I?
I'm wondering if there's a way to count lines inside a div for example. Say we have a div like so:
16 Answers
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form with no action and where enter does not reload page
...ause a page reload in some browsers.. I've found that action="javascript:void(0);" works well.
– Dutchie432
Oct 17 '11 at 20:14
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How can I recover a lost commit in Git?
... and you can reset to it (for example:git reset --hard e870e41).
(If you didn't commit your changes... you might be in trouble - commit early, and commit often!)
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Select + copy text in a TextView?
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android:textIsSelectable works (at least in ICS - I haven't yet checked in earlier versions)
<TextView
android:id="@+id/deviceIdTV"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
andro...
Remove duplicated rows
...moval, either from specific columns/variables (as in this question) or considering all columns/variables. dplyr is part of the tidyverse.
Data and package
library(dplyr)
dat <- data.frame(a = rep(c(1,2),4), b = rep(LETTERS[1:4],2))
Remove rows duplicated in a specific column (e.g., columna)
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Calling Objective-C method from C++ member function?
...voke a specific Objective-C method FROM C++
int MyObjectDoSomethingWith (void *myObjectInstance, void *parameter);
#endif
MyObject.h
#import "MyObject-C-Interface.h"
// An Objective-C class that needs to be accessed from C++
@interface MyObject : NSObject
{
int someVar;
}
// The Objective-C...
Using the last-child selector
...ode:
$(function(){
$("#nav li:last-child").css("border-bottom","1px solid #b5b5b5")
})
You can find more info about here : http://api.jquery.com/css/#css2
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