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How to keep the console window open in Visual C++?
...sual C++ and _tmain is the signature that appears in the sample code. It's time to give up this religion. Windows is "non-standard" by default, and there are very good reasons for following its standards.
– Cody Gray♦
Mar 11 '12 at 6:14
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Rails 3 datatypes?
...he Rails3 (ActiveRecord migration) datatypes:
:binary
:boolean
:date
:datetime
:decimal
:float
:integer
:primary_key
:references
:string
:text
:time
:timestamp
Source
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What is the use of GO in SQL Server Management Studio & Transact SQL?
...to mytable. Generally speaking, GO will execute the related sql commands n times.
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Check if a subview is in a view
...second view using addSubview: method (which is probably the case the first time), the next time, you'll reach the else part because the second view now is a subview of the first. Isn't it what you were trying to do ? You are maybe looking another mecanism like prensenting a view controller modally ?...
Why should the Gradle Wrapper be committed to VCS?
... be downloaded from URL Y and installed, and you would have to do it every time the version is incremented.
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Why is there a `null` value in JavaScript?
...object if it had a member under a certain name - the only way was (and sometimes still is) to access the member and see what you get. Given that null already had a purpose and you might well want to set a member to it, a different out-of-band value was required. So we have undefined, it's problemati...
Add new row to dataframe, at specific row-index, not appended?
...ewrow,r),
insertRow2(existingDF,newrow,r)
)
# Now return the median times
mediansBy <- by(m$time,m$expr, FUN=median)
res <- as.numeric(mediansBy)
names(res) <- names(mediansBy)
res
}
nrows <- 5*10^(0:5)
benchmarks <- sapply(nrows,benchmarkInsertionSolutions)
colnames(be...
Trying to understand CMTime and CMTimeMake
1) CMTimeMake(1,10) means duration of 1 second and timescale of 10, or 10 frames per second. This means 1s duration of video with 10 frames?
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Press alt + numeric in bash and you get (arg [numeric]) what is that?
...eference manual:
You can pass numeric arguments to Readline commands. Sometimes the argument acts as a repeat count, other times it is the sign of the argument that is significant. If you pass a negative argument to a command which normally acts in a forward direction, that command will act in a ba...
How can i use iptables on centos 7? [closed]
...vices package:
yum install iptables-services
Enable the service at boot-time:
systemctl enable iptables
Managing the service
systemctl [stop|start|restart] iptables
Saving your firewall rules can be done as follows:
service iptables save
or
/usr/libexec/iptables/iptables.init save
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