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How to create a loop in bash that is waiting for a webserver to respond?
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174
Combining the question with chepner's answer, this worked for me:
until $(curl --output /dev/...
Determine which JAR file a class is from
.../jre/lib/rt.jar!/java/lang/String.class
file:/projects/classes/pkg/MyClass$1.class
The getProtectionDomain().getCodeSource().getLocation() method returns the location of the jar file or CLASSPATH
file:/Users/home/java/libs/ejb3-persistence-1.0.2.GA.jar
file:/projects/classes
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How to un-commit last un-pushed git commit without losing the changes
...ple:
in case you have not pushed the commit publicly yet:
git reset HEAD~1 --soft
That's it, your commit changes will be in your working directory, whereas the LAST commit will be removed from your current branch. See git reset man
In case you did push publicly (on a branch called 'master'...
Shared-memory objects in multiprocessing
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123
If you use an operating system that uses copy-on-write fork() semantics (like any common unix)...
Fast way to get image dimensions (not filesize)
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195
The file command prints the dimensions for several image formats (e.g. PNG, GIF, JPEG; recent...
Create request with POST, which response codes 200 or 201 and content
...that the response body gives you a page that links you to the thing:
201 Created
The 201 (Created) status code indicates that the request has been fulfilled and has resulted in one or more new resources being created. The primary resource created by the request is identified by either a Lo...
How to execute PHP code from the command line?
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edited Mar 1 '12 at 17:17
answered Mar 1 '12 at 16:33
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Return index of greatest value in an array
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12 Answers
12
Active
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Java Generate Random Number Between Two Given Values [duplicate]
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418
You could use e.g. r.nextInt(101)
For a more generic "in between two numbers" use:
Random r =...
Django dynamic model fields
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281
As of today, there are four available approaches, two of them requiring a certain storage backen...