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Rails: Using greater than/less than with a where statement
...s behavior.
User.where(id: 201..Float::INFINITY)
will generate the SQL
SELECT `users`.* FROM `users` WHERE (`users`.`id` >= 201)
The same can be done for less than with -Float::INFINITY.
I just posted a similar question asking about doing this with dates here on SO.
>= vs >
To avo...
Visual Studio: How to “Copy to Output Directory” without copying the folder structure?
...s in \lib folder of my project folder. In the property page of dll, I have selected "Build Action" as "Content" and "Copy to Output Directory" as "Copy always".
...
Frequency table for a single variable
... the columns as such
[my_series[c].value_counts() for c in list(my_series.select_dtypes(include=['O']).columns)]
Breakdown:
my_series.select_dtypes(include=['O'])
Selects just the categorical data
list(my_series.select_dtypes(include=['O']).columns)
Turns the columns f...
MLKitSegmenter 拓展：人像分割（抠图 / 换背景 / 背景虚化） · App Inventor 2 中文网
... = "处理中…"
Segmenter1.ReplaceBackgroundWithColor(图像选择器1.Selection, -16776961)
}
when Segmenter1.GotResult(imagePath, width, height) {
图像1.Picture = imagePath
标签1.Text = join("完成 ", width, "×", height)
}
when Segmenter1.SegmentFailed(operation, errorMessage) {
...
Capture characters from standard input without waiting for enter to be pressed
...y for me. But in C or C++, what is the best way to read a character from standard input without waiting for a newline (press enter).
...
Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful
...notation-based java-config for series of RESTful services and we want to selectively enable HTTP GZIP stream compression on some API responses.
...
How Do I Get the Query Builder to Output Its Raw SQL Query as a String?
...at:
array(1) {
[0]=>
array(3) {
["query"]=>
string(21) "select * from "users""
["bindings"]=>
array(0) {
}
["time"]=>
string(4) "0.92"
}
}
(Thanks to Joshua's comment below.)
...
Move entire line up and down in Vim
...;A-down> but when I try those keys in vim in visual running in tmux the selection disappears and the cursor moves line up; without moving the selected lines.
– Konrad
Dec 27 '16 at 9:49
...
Open file dialog box in JavaScript
...
$("#logo").css('opacity','0');
$("#select_logo").click(function(e){
e.preventDefault();
$("#logo").trigger('click');
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<a href="#" ...
Is there an easy way to create ordinals in C#?
...he answer, please supply your own, showing us the "proper" way to do this, and why it matters.
– B2K
Apr 6 '17 at 16:05
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