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Remove all the children DOM elements in div
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286
while (node.hasChildNodes()) {
node.removeChild(node.lastChild);
}
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Checking for the correct number of arguments
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218
#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
e...
Best way to do multi-row insert in Oracle?
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answered Sep 2 '08 at 14:08
EspoEspo
38.7k2020 gold badges126126 silver badges156156 bronze badges
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Maximum length for MD5 input/output
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244
MD5 processes an arbitrary-length message into a fixed-length output of 128 bits, typically re...
How to remove a package in sublime text 2
...would like to remove and/or deactivate the Emmet package in Sublime Text 2.
7 Answers
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List attributes of an object
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321
>>> class new_class():
... def __init__(self, number):
... self.multi = int(numb...
How to fix Error: “Could not find schema information for the attribute/element” by creating schema
I have a windows forms application written in VS2010 with C# and get the following errors in the app.config file:
10 Answ...
Explicitly calling return in a function or not
...turn. The following plot is created from data selected this way:
bench_nor2 <- function(x,repeats) { system.time(rep(
# without explicit return
(function(x) vector(length=x,mode="numeric"))(x)
,repeats)) }
bench_ret2 <- function(x,repeats) { system.time(rep(
# with explicit return
(function(...
SQL Logic Operator Precedence: And and Or
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296
And has precedence over Or, so, even if a <=> a1 Or a2
Where a And b
is not the same...
Replace specific characters within strings
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With a regular expression and the function gsub():
group <- c("12357e", "12575e", "197e18", "e18947")
group
[1] "12357e" "12575e" "197e18" "e18947"
gsub("e", "", group)
[1] "12357" "12575" "19718" "18947"
What gsub does here is to replace each occurrence of "e" with an empty string ""....