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How to convert a string or integer to binary in Ruby?
...= x.to_s(2)
}
lookup_table[5]
=> "101"
lookup_table["8"]
=> "1000"
Indexing into this hash table using either the integer or string representation of a number will yield its binary representation as a string.
If you require the binary strings to be a certain number of digits long (keep lead...
Batch files - number of command line arguments
... result and shows conversion to local args. You can reference arguments by index in any function.
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Mix Razor and Javascript code
...o make a Scripts.cshtml file and place your mixed javascript/razor there.
Index.cshtml
<div id="Result">
</div>
<button id="btnLoad">Click me</button>
@section scripts
{
@Html.Partial("Scripts")
}
Scripts.cshtml
<script type="text/javascript">
var url = "...
Eclipse/Java code completion not working
...t Eclipse
Go to workspace/.metadata/.plugins/org.eclipse.jdt.core
Remove *.index and savedIndexNames.txt
Restart Eclipse and search Ctrl+T for the offending type. The indexes will be rebuilt.
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Find and Replace text in the entire table using a MySQL query
Usually I use manual find to replace text in a MySQL database using phpmyadmin. I'm tired of it now, how can I run a query to find and replace a text with new text in the entire table in phpmyadmin?
...
Postgres unique constraint vs index
...st table master with two columns, con_id with unique constraint and ind_id indexed by unique index.
create table master (
con_id integer unique,
ind_id integer
);
create unique index master_unique_idx on master (ind_id);
Table "public.master"
Column | Type | Modifiers
--------+----...
How can I time a code segment for testing performance with Pythons timeit?
...n, and note that performance varies not only with the exact query and what indexes you have, but also with the data load (how much data you have stored).
That said, you can simply put your code in a function and run that function with timeit.timeit():
def function_to_repeat():
# ...
duration ...
Recommendation for compressing JPG files with ImageMagick
...r adding some +profile options and setting down the quality I can get an smaller size but still similar to original.
10 Ans...
How to change JFrame icon [duplicate]
...nswers how to use the image if it's a resource. :D
– php_coder_3809625
Aug 16 '16 at 13:50
Example for the filepath: T...
JSON to pandas DataFrame
...dictionary to dataframe
train = pd.DataFrame.from_dict(dict_train, orient='index')
train.reset_index(level=0, inplace=True)
Hope it helps :)
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