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Understanding the difference between Object.create() and new SomeFunction()
...y when you create a object by using 'Object.create',you get the ability to select the object that should be its prototype.
– Anshul
Sep 2 '14 at 18:52
...
What is the “volatile” keyword used for?
...latestness" - inherently fake since a lock just force cores to arbitrarily select one speaker at a time w/o fairness - but rather try to design away the need for such an unnatural concept.
– AnorZaken
May 5 at 15:57
...
Sometimes adding a WCF Service Reference generates an empty reference.cs
... However if you wanted to use types from a specific assembly, you can select just that assembly and it works just as well (at least in my case), ta
– Dead.Rabit
Mar 20 '13 at 9:31
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Simultaneously merge multiple data.frames in a list
... c 3 5 7
We don't have to take all columns, we can use select helpers from tidyselect and
choose (as we start from .x all .x columns are kept):
eat(x, list(y,z), starts_with("l") ,.by = "i")
# # A tibble: 3 x 3
# i j l
# <chr> <int> <int>
# 1 a ...
What uses are there for “placement new”?
..._b, ...);
Now you can cluster objects together in a single memory arena, select an allocator which is very fast but does no deallocation, use memory mapping, and any other semantic you wish to impose by choosing the pool and passing it as an argument to an object's placement new operator.
...
Get a random item from a JavaScript array [duplicate]
...a way to "scramble" an array, but the question is about getting a randomly selected element from an array. There's a big difference.
– damd
Mar 4 '16 at 15:04
16
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Installing Java on OS X 10.9 (Mavericks)
...
If you have installed both java6 and java7, you can select v6 in your shell with: export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
– Jürgen Strobel
Oct 28 '13 at 13:34
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Programmatically add custom event in the iPhone Calendar
...meWorks group in the Groups and Files Navigator on the left of the window. Select 'Add' then 'Existing FrameWorks' then 'EventKit.Framework'.
Then you should be able to add events with code like this:
#import "EventTestViewController.h"
#import <EventKit/EventKit.h>
@implementation EventTe...
How does “cat
...1. Assign multi-line string to a shell variable
$ sql=$(cat <<EOF
SELECT foo, bar FROM db
WHERE foo='baz'
EOF
)
The $sql variable now holds the new-line characters too. You can verify with echo -e "$sql".
2. Pass multi-line string to a file in Bash
$ cat <<EOF > print.sh
#!/bin...
How do I find the install time and date of Windows?
... dtmInstallDate As DateTime
Dim oSearcher As New ManagementObjectSearcher("SELECT * FROM Win32_OperatingSystem")
For Each oMgmtObj As ManagementObject In oSearcher.Get
dtmInstallDate =
ManagementDateTimeConverter.ToDateTime(CStr(oMgmtO bj("InstallDate")))
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In Autoit (a Windows scri...