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Python - Check If Word Is In A String
... Is there a really fast method of searching for multiple words, say a set of several thousand words, without having to construct a for loop going through each word? I have a million sentences, and a million terms to search through to see which sentence has which matching words. Currently it's t...
Is String.Format as efficient as StringBuilder
...s the current version. This may no longer apply to later versions.
String.Format uses a StringBuilder internally:
public static string Format(IFormatProvider provider, string format, params object[] args)
{
if ((format == null) || (args == null))
{
throw new ArgumentNullException((...
How to use LINQ to select object with minimum or maximum property value
...de those entries with null DateOfBirth field:
Null DateOfBirth values are set to DateTime.MaxValue in order to rule them out of the Min consideration (assuming at least one has a specified DOB).
It can be achieved with a pre-filtering
people.Where(p => p.DateOfBirth.HasValue)
So it's immateria...
How to select only the records with the highest date in LINQ
... editor after snippets, if snippets enabled
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Why would iterating over a List be faster than indexing through it?
...rger LinkedList -yes, for smaller it can work faster REVERSE_THRESHOLD is set 18 in java.util.Collections, it's weird to see so upvoted answer without the remark.
– bestsss
May 8 '12 at 9:28
...
SQL Server Management Studio SSMS tries to “save to file” instead of execute on F5
...
Previous answer didn't apply to me. My query results were set to grid already (CTRL+D).
The issue is, if you're using a Microsoft ergo keyboard and the function lock (key to the right of F12 usually) is not on, then F5 will bring up an open file dialog by default.
So, yet another ...
Convert Pandas column containing NaNs to dtype `int`
I read data from a .csv file to a Pandas dataframe as below. For one of the columns, namely id , I want to specify the column type as int . The problem is the id series has missing/empty values.
...
Use images instead of radio buttons
...
height: 16px;
border-radius: 50%;
transition: 0.2s;
box-shadow: inset 0 0 0 8px #fff;
border: 1px solid gray;
background: gray;
}
/* CHECKBOX OVERWRITE STYLES */
.ckb > i {
width: 25px;
border-radius: 3px;
}
.rad:hover > i{ /* HOVER <i> STYLE */
box-shadow: inset 0 0 0...
NodeJS: Saving a base64-encoded image to disk
My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data".
...
node and Error: EMFILE, too many open files
...sole.log filename), but only when the current queue is under the limit you set previously.
async.queue get information about availability of the queue through a callback, this callback is called only when data file is read and any action you have to do is achieved. (see fileRead method)
So you ca...