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C# Double - ToString() formatting with two decimal places but no rounding
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I suggest you truncate first, and then format:
double a = 123.4567;
double aTruncated = Math.Truncate(a * 100) / 100;
CultureInfo ci = new CultureInfo("de-DE");
string s = string.Format(ci, "{0:0.00}%", aTruncated);
Use the constant 100 for 2 digits truncate; use a 1 followed by a...
C++ Singleton design pattern
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In 2008 I provided a C++98 implementation of the Singleton design pattern that is lazy-evaluated, guaranteed-destruction, not-technically-thread-safe:
Can any one provide me a sample of Singleton in c++?
Here is an updated C++11 implementation of...
How can I list all collections in the MongoDB shell?
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AdaTheDevAdaTheDev
123k2424 gold badges179179 silver badges181181 bronze badges
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Git branching: master vs. origin/master vs. remotes/origin/master
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If I look at git log I see commit fa9sd8jasdf98 (HEAD -> master), what does this mean? What is HEAD in this instance? I thought I was currently "master" and were commiting to origin/master. I think I got something mixed up, could someone help calrify? EDIT UPDATE: I ...
Regex, every non-alphanumeric character except white space or colon
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Try this:
[^a-zA-Z0-9 :]
JavaScript example:
"!@#$%* ABC def:123".replace(/[^a-zA-Z0-9 :]/g, ".")
See a online example:
http://jsfiddle.net/vhMy8/
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How to fight tons of unresolved variables warning in Webstorm?
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Dan DascalescuDan Dascalescu
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No module named setuptools
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98
Install setuptools and try again.
try command:
sudo apt-get install -y python-setuptools
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Inserting multiple rows in mysql
...ship) table :
// get data
$table_1 = get_table_1_rows();
$table_2_fk_id = 123;
// prepare first part of the query (before values)
$query = "INSERT INTO `table` (
`table_1_fk_id`,
`table_2_fk_id`,
`insert_date`
) VALUES ";
//loop the table 1 to get all foreign keys and put it in array
for...
Java: parse int value from a char
...n be converted into int(0 to 9), e.g., '5'-'0' gives int 5.
String str = "123";
int a=str.charAt(1)-'0';
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What are the differences between Chosen and Select2?
... to chosen). AngularJS: 397 issues, 49 pull reqs; joyent/node: 476 issues, 98 pull reqs. I wonder what the numbers would be for firefox, linux kernel or gcc.
– Paul
Dec 3 '12 at 21:51
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