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Is there any overhead to declaring a variable within a loop? (C++)
...
main(){ int var; while(int i < 100) { var = 4; } }
gcc -S 1.c
1.s:
_main:
pushl %ebp
movl %esp, %ebp
subl $24, %esp
movl $0, -16(%ebp)
jmp L2
L3:
movl $4, -12(%ebp)
L2:
cmpl $99, -16(%ebp)
jle L3
leave
ret
2.c
main() { while(int i &...
What is the use of the @ symbol in PHP?
...l be ignored.
If you have set a custom error handler function with set_error_handler() then it will still get called, but this custom error handler can (and should) call error_reporting() which will return 0 when the call that triggered the error was preceded by an @...
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Entity Framework - Include Multiple Levels of Properties
...x you can get (this is all one statement!):
viewModel.Instructors = await _context.Instructors
.Include(i => i.OfficeAssignment)
.Include(i => i.CourseAssignments)
.ThenInclude(i => i.Course)
.ThenInclude(i => i.Enrollments)
.ThenInclude...
Visual Studio can't build due to rc.exe
... I'm at C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin\x86_amd64 and ran commands: copy "C:\Program Files (x86)\Windows Kits\10\bin\10.0.16299.0\x64\rc.exe" and copy "C:\Program Files (x86)\Windows Kits\10\bin\10.0.16299.0\x64\rcdll.dll" to fix this in Visual Studio 2015
...
Removing an item from a select box
...ect").removeOption(/^val/i);
- array $("#myselect").removeOption(["myselect_1", "myselect_2"]);
To remove all options, you can do $("#myselect").removeOption(/./);.
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ImportError: no module named win32api
...n installation for win32api and you should find win32api.pyd under ${PYTHON_HOME}\Lib\site-packages\win32.
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How do I create a URL shortener?
... your system. Something simple like f(checksum(id) % (62^2)) + f(id) = url_id
– koblas
Sep 4 '10 at 13:53
6
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iOS Equivalent For Android Shared Preferences
...alue, forKey: key)
}
}
Example
//set
Configuration.value(value: "my_value", forKey: "key_1")
//get
let myValue = Configuration.value(defaultValue: "default_value", forKey: "key_1")
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How to send FormData objects with Ajax-requests in jQuery? [duplicate]
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I had high hopes for this solution, but my $_FILES is still NULL...
– socca1157
Aug 27 '14 at 18:58
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Why JSF calls getters multiple times
...;/constructor-arg>
<constructor-arg index="1" value="com._4dconcept.docAdvance.jsfCache.annotation.Cacheable" name="methodAnnotationType" type="java.lang.Class"/>
</bean>
</property>
<property name="advice">
<bean class="com._4dconcep...