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Assert an object is a specific type
...ject is an instance of a class? For various reasons I have an object in my test that I want to check the type of. Is it a type of Object1 or a type of Object2?
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Can I export a variable to the environment from a bash script without sourcing it?
...R
Now we will execute a script to source the variable then unset it :
./test-export.sh
HELLO, VARABLE
--
.
the code: cat test-export.sh
#!/bin/bash
# Source env variable
source ./export.bash
# echo out the variable in test script
echo $VAR
# unset the variable
...
Store boolean value in SQLite
...
using the Integer data type with values 0 and 1 is the fastest.
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How do I replace a character at a particular index in JavaScript?
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In my tests this method was quickest by far... and even faster if you don't need to verify that [index] isn't bigger than the string length. Modified: function setCharAt(str,idx,newChr){ return str.substring(0,idx)+newChr+str.subst...
How do you beta test an iphone app?
How can you beta test an iPhone app? I can get it on my own device, and anyone that gives me a device, I can run it on theirs, but is there a way to do a limited release via the app store for beta testing?
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git stash -> merge stashed change with current changes
... with an editor.
To be clear, this is the process I'm talking about:
mkdir test-repo && cd test-repo && git init
echo test > test.txt
git add test.txt && git commit -m "Initial version"
# here's the interesting part:
# make a local change and stash it:
echo test2 > te...
Determine the type of an object?
...int
True
This of course also works for custom types:
>>> class Test1 (object):
pass
>>> class Test2 (Test1):
pass
>>> a = Test1()
>>> b = Test2()
>>> type(a) is Test1
True
>>> type(b) is Test2
True
Note that type() will only ...
Unresolved external symbol on static class members
...st add the definitions to match your declarations of X and Y
unsigned char test::X;
unsigned char test::Y;
somewhere. You might want to also initialize a static member
unsigned char test::X = 4;
and again, you do that in the definition (usually in a CXX file) not in the declaration (which is ofte...
Is the != check thread safe?
...
In the absence of synchronization this code
Object a;
public boolean test() {
return a != a;
}
may produce true. This is the bytecode for test()
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
...
a...
How to avoid the “Circular view path” exception with Spring MVC test
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This has nothing to do with Spring MVC testing.
When you don't declare a ViewResolver, Spring registers a default InternalResourceViewResolver which creates instances of JstlView for rendering the View.
The JstlView class extends InternalResourceView which is
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