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Checkout one file from Subversion
... it's simpler to use svn export than it is to use the web interface, if I know what file I want. The questioner already uses SVN, so I guess it depends what client and whether that client makes it easy to use svn export. I do find the web interface better for browsing than svn ls, though :-)
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how to install gcc on windows 7 machine?
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EDIT Since not so recently by now, MinGW-w64 has "absorbed" one of the toolchain building projects. The downloads can be found here. The installer should work, and allow you to pick a version that you need.
Note the Qt SDK comes with the same toolchain. ...
Rails 3 - can't install pg gem
...pplications/Postgres.app/Contents/MacOS/bin:$PATH"
gem install pg should now work. (This is what worked for me.)
Note New versions path looks like:
/Applications/Postgres.app/Contents/Versions/<version>/bin
share
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python date of the previous month
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you could use .replace() method: datetime.utcnow().replace(day=1) - timedelta(days=1)
– jfs
Mar 16 '12 at 6:43
1
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Difference between WAIT and BLOCKED thread states
... Assume there is only one thread and waited on some time in millis; now Is it possible a thread can directly from waiting state to go to runnable state? since no other thread takes lock here since only single threaded?
– Kanagavelu Sugumar
Jun 15 '16 at ...
“X does not name a type” error in C++
...is is okay, it's just a pointer;
// we can point to something without knowing how that something is defined
foo* fp;
// likewise, we can form a reference to it
void some_func(foo& fr);
// but this would be an error, as before, because it requires a definition
/* foo fo...
Summarizing multiple columns with dplyr? [duplicate]
...x. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R.
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Specifying rails version to use when creating a new application
... that having Rails 3 installed fails for 2.3.5 -- Just tested on Mac OS X Snow Leopard with these modules installed:rails (3.0.5, 2.3.5, 2.2.2, 1.2.6)
– Mike
May 2 '11 at 19:41
13
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Is there a way to run Python on Android?
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And now there is iOS support too!
– rubik
Jun 30 '12 at 7:00
17
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Installing Java 7 on Ubuntu
...ind a paywall. Also, OpenJDK has grown up and is a more viable alternative nowadays.
In Ubuntu 16.04 and higher, Java 7 is no longer available. Usually you're best off installing Java 8 (or 9) instead.
sudo apt-get install openjdk-8-jre
or, f you also want the compiler, get the jdk:
sudo apt-...