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isset() and empty() - what to use
Could you help me to improve my coding style?:) In some tasks I need to check - is variable empty or contains something. To solve this task, I usually do the following.
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How to get the original value of an attribute in Rails
is there a way to get the original value that an ActiveRecord attribute (=the value that was loaded from the database)?
4 A...
How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
I have a div 200 x 200 px. I want to place a 50 x 50 px image right in the middle of the div.
36 Answers
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Order of member constructor and destructor calls
...sdom. Speak standardese to me and tell my if C++ guarantees that the following program:
4 Answers
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fatal: git-write-tree: error building trees
I did a git pull from a shared git repository, but something went really wrong, after I tried a git revert . Here is the situation now:
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How do I know the current width of system scrollbar?
As you know, one can customize the width of the scrollbar width in Display Properties -> Appearance -> Advanced -> Item: ScrollBar. The default value is 17. However, I can't assume this is always the case, is it possible for me to retrieve this value?
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Suppress echo of command invocation in makefile?
I wrote a program for an assignment which is supposed to print its output to stdout. The assignment spec requires the creation of a Makefile which when invoked as make run > outputFile should run the program and write the output to a file, which has a SHA1 fingerprint identical to the one given...
How to create a new language for use in Visual Studio
I want to write a new templating language, and I want Visual Studio to "support" it. What I need to know is:
7 Answers
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Entity Framework - Add Navigation Property Manually
...the schema, but there are a few tables that do not have foreign key constraints defined, but there is an implicit relationship defined.
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C# static class constructor
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static class YourClass
{
static YourClass()
{
// perform initialization here
}
}
From MSDN:
A static constructor is used to initialize any static data, or to
perform a particular action that needs to be performed once only. It
is called automatically before the first...