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Why start an ArrayList with an initial capacity?
...t 8 elements. Insert one (cost: 1). Insert two -- double, copy one element and insert two (cost: 2). Insert three -- double, copy two elements, insert three (cost: 3). Insert four (cost: 1). Insert five -- double, copy four elements, insert five (cost: 5). Insert six, seven and eight (cost: 3). Tota...
How to overcome “datetime.datetime not JSON serializable”?
...h requires no dependencies.
As you are using mongoengine (per comments) and pymongo is a dependency, pymongo has built-in utilities to help with json serialization:
http://api.mongodb.org/python/1.10.1/api/bson/json_util.html
Example usage (serialization):
from bson import json_util
import json...
Can PostgreSQL index array columns?
...
Yes you can index an array, but you have to use the array operators and the GIN-index type.
Example:
CREATE TABLE "Test"("Column1" int[]);
INSERT INTO "Test" VALUES ('{10, 15, 20}');
INSERT INTO "Test" VALUES ('{10, 20, 30}');
CREATE INDEX idx_test on "Test" USING GIN ("Col...
Git / Bower Errors: Exit Code # 128 & Failed connect
...ult on google for practically all searches pertaining to bower 128 errors, and after changing this setting bower still uses the git protocol.
– Bloodyaugust
Aug 19 '14 at 22:03
1
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How to generate gcc debug symbol outside the build target?
...a .debug extension in a .debug directory. This way I can tar the libraries and executables in one tar file and the .debug directories in another. If I want to add the debug info later on I simply extract the debug tar file and voila I have symbolic debug information.
This is the bash script:
#!/bi...
Add border-bottom to table row
...e of 3 by 3. I need a way to add a border for the bottom of every row tr and give it a specific color.
16 Answers
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How do I get the path of the current executed file in Python?
...always loaded from a file. If you create a module with the following code and put it in the same directory as your main script, then the main script can import the module and use that to locate itself.
some_path/module_locator.py:
def we_are_frozen():
# All of the modules are built-in to the ...
Unresolved specs during Gem::Specification.reset:
...was seeing this issue by just running RSpec on its own. From what I understand, this means that you have more than one version of the listed gems installed on your system, and RSpec is unsure which one to use. After uninstalling older version of the gems, the warnings went away.
You can try:
gem c...
Passing data to Master Page in ASP.NET MVC
...utions are probably more correct but this is a nice balance between design and practicality IMHO.
The master page takes a strongly typed view data class containing only information relevant to it:
public class MasterViewData
{
public ICollection<string> Navigation { get; set; }
}
Each ...
Run PostgreSQL queries from the command line
I inserted a data into a table....I wanna see now whole table with rows and columns and data. How I can display it through command?
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