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Regex - how to match everything except a particular pattern
How do I write a regex to match any string that doesn't meet a particular pattern? I'm faced with a situation where I have to match an (A and ~B) pattern.
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What's the difference between belongs_to and has_one?
What is the difference between a belongs_to and a has_one ?
5 Answers
5
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Can an Android Toast be longer than Toast.LENGTH_LONG?
...dget.TextView;
public final class ToastHelper {
private static final String TAG = ToastHelper.class.getName();
public static interface OnShowListener {
public void onShow(ToastHelper toast);
}
public static interface OnDismissListener {
public void onDismiss(Toast...
Add custom icons to font awesome
...ndard Font Awesome styles
// (So avoid fab, fal, fas, far, fa)
prefix: string,
iconName: string, // Any name you like
icon: [
number, // width
number, // height
string[], // ligatures
string, // unicode (if relevant)
string // svg path data
]
}
Note that the element l...
Does a `+` in a URL scheme/host/path represent a space?
I am aware that a + in the query string of a URL represents a space. Is this also the case outside of the query string region? That is to say, does the following URL:
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How can I check if a View exists in a Database?
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If you found this to decide between a CREATE and ALTER for a view (as I did), this doesn't work for VIEWs - you have to DROP the VIEW* and then CREATE it. The IF EXISTS still works fine for DROPing the VIEW tho, so thanks! :) * Don't forget about any permissions when y...
What is a Python equivalent of PHP's var_dump()? [duplicate]
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what about showing the type of var? like Null/None, String, Object..
– holms
Apr 25 '12 at 12:42
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How to add images in select list?
...others</option>
</select>
Better yet, you can separate HTML and CSS like that
HTML
<select id="gender">
<option>male</option>
<option>female</option>
<option>others</option>
</select>
CSS
select#gender option[value="male"] ...
Primary key or Unique index?
At work we have a big database with unique indexes instead of primary keys and all works fine.
15 Answers
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How to start two threads at “exactly” the same time
...CountDownLatch;
public class ThreadExample
{
public static void main(String[] args)
{
CountDownLatch latch = new CountDownLatch(1);
MyThread t1 = new MyThread(latch);
MyThread t2 = new MyThread(latch);
new Thread(t1).start();
new Thread(t2).start();...