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Convert a positive number to negative in C#
... single flaw. It doesn't work for all integers. The range of Int32 type is from "-231" to "231 - 1." It means there's one more "negative" number. Consequently, Math.Abs(int.MinValue) throws an OverflowException.
The correct way is to use conditional statements:
int neg = n < 0 ? n : -n;
This...
What's the difference between “bundle display name” and “bundle name” in cocoa application's info pl
... If the two names match, the Finder proceeds to display the localized name from the appropriate InfoPlist.strings file of your bundle. If the names do not match, the Finder displays the file-system name.
For more information about display names in Mac OS X, see File System Overview.
CFBundleName...
How to change language settings in R
...ript.
For example you can locate the Rconsole file with this two commands from a command prompt:
cd \
dir Rconsole /s
The first one make the root as the current directory, the second one looks for the Rconsole file.
In the following screenshot you have that Rconsole file is in the folder C:\Pro...
Gson: Directly convert String to JsonObject (no POJO)
...g into, prior to converting to JsonObject . Is there a way to go directly from a String to JsonObject ?
9 Answers
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How to get number of entries in a Lua table?
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I got the impression from the comments that the proxytable/metamethods thing doesn't fully support this scenario yet, so I'll accept this as the best way currently available.
– Roman Starkov
Apr 27 '10 at 10...
What exactly is an Assembly in C# or .NET?
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Assemblies are distinct from the files that contain them.
– Greg D
Sep 1 '09 at 13:16
1
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Can CSS force a line break after each word in an element?
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This is amazing. From years in the future, thanks a bunch :)
– Lucas Medina
Jun 23 '17 at 17:52
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Classes vs. Modules in VB.NET
... is probably bad. I should have said VB counterparts to C# static classes. From that statement, I meant to say using a Module makes sense where you'd write a static class in C#.
– Mehrdad Afshari
May 19 '09 at 14:26
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Mediator Vs Observer Object-Oriented Design Patterns
...t of objects interact. Mediator promotes loose coupling by keeping objects from referring to each other explicitly, and it lets you vary their interaction independently.
Source: dofactory
Example:
The observer pattern:
Class A, can have zero or more observers of type O registered with it. When s...
How can I grep hidden files?
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To search within ONLY all hidden files and directories from your current location:
find . -name ".*" -exec grep -rs search {} \;
ONLY all hidden files:
find . -name ".*" -type f -exec grep -s search {} \;
ONLY all hidden directories:
find . -name ".*" -type d -exec grep -r...