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How can I lock a file using java (if possible)
...eption if the file is open (which solves my problem) or do I have to explicitly open it in the first process with some sort of flag or argument?
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Only parameterless constructors and initializers are supported in LINQ to Entities
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without more info on 'Payments' this doesn't help much, but assuming you want to create a Payments object and set some of its properties based on column values:
var naleznosci = (from nalTmp in db.Naleznosci
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Force line-buffering of stdout when piping to tee
... is line-buffered. In other words, as long as your printf argument ends with a newline, you can expect the line to be printed instantly. This does not appear to hold when using a pipe to redirect to tee .
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How do I parse JSON with Ruby on Rails? [duplicate]
I'm looking for a simple way to parse JSON, extract a value and write it into a database in Rails.
12 Answers
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How to print the full NumPy array, without truncation?
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edited Mar 21 '19 at 21:15
community wiki
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Efficiently test if a port is open on Linux?
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To determine if someone is listening, attempt to connect by loopback. If it fails, then the port is closed or we aren't allowed access. Afterwards, close the connection.
Modify this for your use case, such as sending an email, exiting the script on failure, or starting the required service.
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How to set the environmental variable LD_LIBRARY_PATH in linux
...s is to add a custom .conf file to /etc/ld.so.conf.d, for example
sudo gedit /etc/ld.so.conf.d/randomLibs.conf
inside the file you are supposed to write the complete path to the directory that contains all the libraries that you wish to add to the system, for example
/home/linux/myLocalLibs
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convert string array to string
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edited Jan 30 '11 at 6:58
jmort253
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Code for Greatest Common Divisor in Python [closed]
... divisor (GCD) of a and b is the largest number that divides both of them with no remainder.
20 Answers
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Calling JMX MBean method from a shell script
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The following command line JMX utilities are available:
jmxterm - seems to be the most fully featured utility.
cmdline-jmxclient - used in the WebArchive project seems very bare bones (and no development since 2006 it looks like)
Groovy script and JMX - prov...