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How to write log base(2) in c/c++
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C99 has log2 (as well as log2f and log2l for float and long double).
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Handling colon in element ID with jQuery
...components with an id that contains a : (colon). I tried the \\ & the \3A but none of them worked.
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List of ANSI color escape sequences
...ctlseqs/ctlseqs.html
http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/c327.html
https://wiki.archlinux.org/index.php/Color_Bash_Prompt
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How to print like printf in Python3?
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or: print('a={first:4.2f}, b={second:03d}'.format(first=f(x,n),second=g(x,n))) where this example shows how you can use the printf-style modifiers and still use keywords.
– fbicknel
May 1 '14 at 13:47
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round up to 2 decimal places in java? [duplicate]
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String roundOffTo2DecPlaces(float val)
{
return String.format("%.2f", val);
}
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How to set thousands separator in Java?
...and output will be 58,625
For Floating Point data Type
String.format("%,.2f",58625.21) and output will be 58,625.21
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Add Foreign Key to existing table
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How to fix Error Code: 1005. Can't create table 'mytable.#sql-7fb1_7d3a' (errno: 150) in mysql.
alter your table and add an index to it..
ALTER TABLE users ADD INDEX index_name (index_column)
Now add the constraint
ALTER TABLE foreign_key_table
ADD CONSTRAINT foreign_key_name FOREIGN KEY...
One or more types required to compile a dynamic expression cannot be found. Are you missing referenc
...oft.CSharp, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
Type type = csharp.GetType("Microsoft.CSharp.RuntimeBinder.Binder");
retry = true;
}
catch(Exception exLoad)
{
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How to suppress scientific notation when printing float values?
...pandas options.
import pandas as pd
pd.options.display.float_format = '{:.2f}'.format
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
...Random which is builtin:
SecureRandom.uuid #=> "1ca71cd6-08c4-4855-9381-2f41aeffe59c"
See other possible formats here.
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