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Select the values of one property on all objects of an array in PowerShell
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215
I think you might be able to use the ExpandProperty parameter of Select-Object.
For example, to...
Places where JavaBeans are used?
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BalusCBalusC
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Detect URLs in text with JavaScript
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edited Jun 1 at 5:43
mplungjan
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an...
Drop data frame columns by name
...a simple list of names :
DF <- data.frame(
x=1:10,
y=10:1,
z=rep(5,10),
a=11:20
)
drops <- c("x","z")
DF[ , !(names(DF) %in% drops)]
Or, alternatively, you can make a list of those to keep and refer to them by name :
keeps <- c("y", "a")
DF[keeps]
EDIT :
For those still not ac...
How do I read any request header in PHP
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15 Answers
15
Active
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List of lists changes reflected across sublists unexpectedly
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593
When you write [x]*3 you get, essentially, the list [x, x, x]. That is, a list with 3 referenc...
How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
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5 Answers
5
Active
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Replace values in list using Python [duplicate]
...e if you want, but it doesn't actually save time:
items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
for index, item in enumerate(items):
if not (item % 2):
items[index] = None
Here are (Python 3.6.3) timings demonstrating the non-timesave:
In [1]: %%timeit
...: items = [0, 1, 2, 3, 4, 5,...
Lock Escalation - What's happening here?
...e default in SQL 2008. Note that LOCK_ESCALATION isn't supported in SQL 2005, so you'll need to strip it if trying to run the script on a 2005 instance. Also, since TABLE is the default, you can safely remove that line when re-running your script.
Also note that, in SQL 2005 before this setting was...
Nginx serves .php files as downloads, instead of executing them
...y to run some .php file it's just downloading it...
for example... http://5.101.99.123/info.php it's working but... If I go to the main http://5.101.99.123 it's downloading my index.php :/
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