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How do you check that a number is NaN in JavaScript?
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isNaN("lorem ipsum"); //true with ES5 was blowing my mind
– Nick Pineda
Mar 10 '16 at 5:36
2
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Location of sqlite database on the device
...hen I try that in an emulator, I can cd to /data. But when I try that with my connected Galaxy Vibrant, I can't cd to /data. Does the adb server run as a different use in those two cases?
– Robᵩ
Dec 15 '10 at 18:55
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What's Alternative to Singleton
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Yes it's really good point. I have done this before. My big configuration object was implementing interfaces like MailServiceConf, ServerConf.. than Dependency Injection framework passes configuration to classes so my classes was not dependent on big Configuration object.
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OSGi, Java Modularity and Jigsaw
... module system that may be used by other Java libraries and applications.
My position is that something like Jigsaw is probably necessary for the JRE only, but that it will create far more problems than it claims to solve if used by other Java libraries or apps.
The JRE is a very difficult and spe...
How do I trim whitespace?
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process(line)
#we could also be reading a file line by line.. e.g. my_file=open(filename), or with open(filename) as myfile:
for line in my_file:
line=line.strip()
process(line)
#moot point: note splitlines() removed the newline characters, we can keep them by passing True:
#althoug...
What's the equivalent of Java's Thread.sleep() in JavaScript? [duplicate]
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Good catch, Steve. I've edited my answer to reflect your comments.
– Daniel Pryden
Sep 20 '09 at 18:52
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More elegant “ps aux | grep -v grep”
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@JamieJag: Well... like I said in my post, grep '[t]erminal' will match lines containing terminal. The output from ps aux will have a line with grep '[t]erminal' (with the square brackets), which does not contain the string terminal (without the same).
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How many threads is too many?
... say that two threads is too many - I'm not quite in that camp :-)
Here's my advice: measure, don't guess. One suggestion is to make it configurable and initially set it to 100, then release your software to the wild and monitor what happens.
If your thread usage peaks at 3, then 100 is too much. ...
Search for executable files using find command
... find the commands that are executable by me like -executable does or like my command does.
– gniourf_gniourf
Mar 14 '15 at 6:59
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Opening Vim help in a vertical split window
...of simply help. Also, I noticed that this command works when I add it to my _vimrc and start a new instance of GVim but not when I run the command in my current GVim session (I have to manually :set ft=help to trigger the autocmd).
– Anthony Geoghegan
Jun 24 ...