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Should you declare methods using overloads or optional parameters in C# 4.0?
...call site. By contrast, overloads provide a means by which a compiler can select one of a number of methods, some of which might supply default values themselves. Note that if one tries to call a method that specifies optional parameters from code written in a language which doesn't support them, ...
How would I run an async Task method synchronously?
...ng a Task<Task<MyResult>>. The correct overload of Task.Run is selected either way, but the async delegate makes your intent obvious.
– Michael L Perry
How do I generate a random int number?
...SEED.This SEED is the beginning point, the trigger which instigates him to select the RANDOM value.
Now if a SEED is easy to guess then those kind of random numbers are termed as PSEUDO and when a seed is difficult to guess those random numbers are termed SECURED random numbers.
For example a perso...
Returning a boolean from a Bash function
...s no failure (success) and non-zero means failure (of type N).
While the selected answer is technically "true" please do not put return 1** in your code for false. It will have several unfortunate side effects.
Experienced developers will spot you as an amateur (for the reason below).
Experience...
Force DOM redraw/refresh on Chrome/Mac
... leaving elements that where in a div set to display none, visible and not select-able. Resizing the window made them disappear. Adding this transform caused the "artifacts" to disappear as expected.
– Jeff Mattson
Sep 9 '19 at 17:57
...
How to import load a .sql or .csv file into SQLite?
...Hey!');
Insert into T values (2, 'Hey, You!');
.mode csv
.output test.csv
select * from T;
Contents of test.csv:
1,Hey!
2,"Hey, You!"
delete from T;
.import test.csv T
Error: test.csv line 2: expected 2 columns of data but found 3
It seems we must transform the csv into a list of Insert statem...
How can I parse a YAML file from a Linux shell script?
...ailable for solid multiline entry manipulation.
simple dotted notation to select sub-values (ie: subvalue.maintainer is a valid key).
access by index is provided to sequences (ie: subvalue.things.-1 is the last element of the subvalue.things sequence.)
access to all sequence/structs elements in on...
Impossible to Install PG gem on my mac with Mavericks
...ks. Here's what I did:
Install the xcode command line tools first:
xcode-select --install
Download and install the latest version of PostgreSQL (9.3.1), in my case I just used the graphical installer. Here's the link to the downloads page:
http://www.enterprisedb.com/products-services-training/...
Mark current Line, and navigate through marked lines
...ft+f2"], "command": "clear_bookmarks" },
{ "keys": ["alt+f2"], "command": "select_all_bookmarks" },
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How to pick a new color for each plotted line within a figure in matplotlib?
...sure that you have a list big enough and then use the index of the loop to select the color
colors = ['r', 'b', ...., 'w']
for i in range(20):
ax1.plot(x, y, color = colors[i])
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