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How to move Jenkins from one PC to another
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180
Following the Jenkins wiki, you'll have to:
Install a fresh Jenkins instance on the new serv...
Difference between Node object and Element object?
... is one particular type of node where the nodeType property has a value of 1.
So document.getElementById("test") can only return one node and it's guaranteed to be an element (a specific type of node). Because of that it just returns the element rather than a list.
Since document.getElementsByCla...
In Java, are enum types inside a class static?
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177
Yes, nested enums are implicitly static.
From the language specification section 8.9:
Nes...
Populate XDocument from String
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561
You can use XDocument.Parse for this.
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Check free disk space for current partition in bash
...to check a specific directory.
You might also want to check out the stat(1) command if your system has it. You can specify output formats to make it easier for your script to parse. Here's a little example:
$ echo $(($(stat -f --format="%a*%S" .)))
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Detect when an image fails to load in Javascript
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116
You could try the following code. I can't vouch for browser compatibility though, so you'll ha...
When vectors are allocated, do they use memory on the heap or the stack?
... how you use them (you could point element 0 to the free store and element 1 to the stack, say).
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Java: Check if enum contains a given string?
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210
This should do it:
public static boolean contains(String test) {
for (Choice c : Choice.v...
How can I create a Makefile for C projects with SRC, OBJ, and BIN subdirectories?
... every object,
it often uses the wrong source (as you discovered with file1.o and file2.o)
it tries to build executables instead of stopping at objects, and
the name of the target (foo.o) is not what the rule will actually produce (obj/foo.o).
I suggest the following:
OBJECTS := $(SOURCES:$(S...
MPICH vs OpenMPI
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150
Purpose
First, it is important to recognize how MPICH and Open-MPI are different, i.e. that t...