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Is D a credible alternative to Java and C++? [closed]
...gger made life hellish at times.
There were 2 standard libraries to choose from at the time (Tango and Phobos). We started with one, switched to the other, and really needed a mixture of features from both (Tangobos!). This caused headaches and some code re-write.
Bindings to other tools not availab...
Remove the last line from a file in Bash
... means output lines starting at line 2.
Do not use sed for deleting lines from the top or bottom of a file -- it's very very slow if the file is large.
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Why does running the Flask dev server run itself twice?
...t once, ensuring that it also gets called when running under wsgi (ie. not from app.run), but not waiting for the first request? I don't want that first request to be burdened with the initialisation cost.
– Kylotan
Jun 9 '15 at 8:49
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YYYY-MM-DD format date in shell script
...ctly
echo $(date '+%Y-%m-%d')
Other available date formats can be viewed from the date man pages (for external non-bash specific command):
man date
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How to delete a specific line in a file?
...I have a text file full of nicknames. How can I delete a specific nickname from this file, using Python?
17 Answers
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IntelliJ inspection gives “Cannot resolve symbol” but still compiles code
...ed classes may report wrong info and confuse IDEA. Verify that the classes from this jar report correct names using javap.
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Is there a way to run Bash scripts on Windows? [closed]
...ebugging and running Bash scripts, but this setup is completely standalone from Windows and you cannot use Bash scripts to interact with Windows features (such as processes and APIs) except for limited access to files through the DrvFS feature.
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max value of integer
In C, the integer (for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767.
In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647.
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Is it OK to leave a channel open?
... not constitute a reference to the channel object, and so does not keep it from being garbage collected.
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How to deal with a slow SecureRandom generator?
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You should be able to select the faster-but-slightly-less-secure /dev/urandom on Linux using:
-Djava.security.egd=file:/dev/urandom
However, this doesn't work with Java 5 and later (Java Bug 6202721). The suggested work-around is to use:
-Djav...