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How to convert ‘false’ to 0 and ‘true’ to 1 in Python
...actly my point, the "problem" is that u'true' == 'true' and that we don't know what the use case is. Maybe they want a different behaviour for the situation where type(x) != unicode.
– wim
Dec 30 '13 at 14:26
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For each row in an R dataframe
...I'm not sure how to write a vectorized getWellID. What I need to do right now is to dig into an existing list of lists to look it up or pull it out of a database.
– Carl Coryell-Martin
Nov 9 '09 at 23:45
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Screenshot Apps for iPhone simulator [closed]
...o use 3rd Party tools. See highest rated answer (i.e. the functionality is now built into Simulator)
– wuf810
Oct 24 '12 at 9:51
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Pros and cons of Java rules engines [closed]
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We are evaluating rules now for use with our application server. We have come across OpenRules, which is easy to integrate with Java and, as far as our testing has shown, fast enough. The main advantage of OpenRules above the others is the way the r...
While loop to test if a file exists in bash
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When you say "doesn't work", how do you know it doesn't work?
You might try to figure out if the file actually exists by adding:
while [ ! -f /tmp/list.txt ]
do
sleep 2 # or less like 0.2
done
ls -l /tmp/list.txt
You might also make sure that you're using a Ba...
MySQL Conditional Insert
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In this, dual is a table with one row only (found originally in Oracle, now in mysql too). The logic is that the SELECT statement generates a single row of data with the required values, but only when the values are not already found.
Alternatively, look at the MERGE statement.
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Package doesn't exist error in intelliJ
... tool window:
right click on root pom.xml,
press Add as Maven project,
now unignoring any ignored modules from Maven tool window:
select all ignored (grey) Maven modules,
right click on them,
press Unignore,
and finally rebuilding using Build > Rebuild project. This assumes that a mvn cle...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
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UPDATE 10/17/2012: This functionality now exists in Chrome Stable v22. In order to use this functionality in Chrome, one must enable two flags in chrome://flags:
Enable MediaStream
Enable PeerConnection
Then you can visit the AppRTC Demo Page to try out the d...
How to jump back to NERDTree from file in tab?
...st, and NERDTree on <F2>, <F3>, and <F4>, respectively. Now it's easy to get around my projects. That works really poorly with MiniBufExplorer though, so if you use that you may have some issues.
– jorelli
Jan 11 '11 at 17:33
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How to set UITextField height?
...tField to check its height. Use this to set up your height constraint, and now you can change the borderStyle back to the rounded one.
– Benjohn
Aug 6 '15 at 16:37
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