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How to remove a field from params[:something]
...lue for company. However, I have just made a change such that users belongs_to companies. Therefore, I need to pass an object of Company to the Users model.
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Linq: adding conditions to the where clause conditionally
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If you do not call ToList() and your final mapping to the DTO type, you can add Where clauses as you go, and build the results at the end:
var query = from u in DataContext.Users
where u.Division == strUserDiv
&& u.Age > 18
&& u.Height >...
HTML-encoding lost when attribute read from input field
...b/kirillosenkov/archive/2010/03/19/… fishbowl.pastiche.org/2003/07/01/the_curse_of_apos
– Anentropic
Jan 3 '12 at 12:34
5
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Remove CSS from a Div using JQuery
I'm new to JQuery. In my App I have the following:
13 Answers
13
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Undefined symbols for architecture armv7
... in the Library Search Paths value in the Build Settings and add -l{library_name_without_lib_and_suffix} (eg. for libz.a use -lz) to the Other Linker Flags section of Build Settings.
You copy files into your project but forgot to check the target to add the files to. To resolve:
Open the Build Ph...
How to set the part of the text view is clickable
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This happened in my case, to change colour from blue to some other. Set ForegroundColorSpan in setSpan after you have set the clickable span. Placing Foreground before Clickable span, new color won't be reflected.
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
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Several ill-conceived ideas found their way into the standard: auto_ptr, vector<bool>, valarray and export, just to name a few. So I wouldn't take the presence of IOStreams necessarily as a sign of quality design.
IOStreams have a checkered history. They are actually a reworking of an...
What are the rules for calling the superclass constructor?
...:
class A : public B
{
public:
A(int a, int b, int c);
private:
int b_, c_;
};
Then, assuming B has a constructor which takes an int, A's constructor may look like this:
A::A(int a, int b, int c)
: B(a), b_(b), c_(c) // initialization list
{
// do something
}
As you can see, the con...
How can I read a whole file into a string variable
...copy them all into the same bytes buffer.
buf := bytes.NewBuffer(nil)
for _, filename := range filenames {
f, _ := os.Open(filename) // Error handling elided for brevity.
io.Copy(buf, f) // Error handling elided for brevity.
f.Close()
}
s := string(buf.Bytes())
This opens each fil...
When to use .First and when to use .FirstOrDefault with LINQ?
...lements, if the sequence is initially empty.
– SPIRiT_1984
May 16 '12 at 7:12
3
@RoyiNamir, yes i...