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CSS way to horizontally align table
... @Marco: I have not right now this information, but that may be a good base for a question on StackOverflow.
– VonC
May 18 '10 at 13:28
1
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UTF-8 byte[] to String
...arset name. Otherwise you may leave yourself open to some charset encoding based security vulnerabilities. Note that it throws UnsupportedEncodingException which you'll have to handle. Something like this:
public String openFileToString(String fileName) {
String file_string;
try {
f...
Accessing class variables from a list comprehension in the class definition
...ved. [4] A class object is then created using the inheritance list for the base classes and the saved local namespace for the attribute dictionary.
Emphasis mine; the execution frame is the temporary scope.
Because the scope is repurposed as the attributes on a class object, allowing it to be use...
How to remove part of a string? [closed]
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When you need rule based matching, you need to use regex
$string = "REGISTER 11223344 here";
preg_match("/(\d+)/", $string, $match);
$number = $match[1];
That will match the first set of numbers, so if you need to be more specific try:
$str...
Java Look and Feel (L&F) [closed]
...alog which allows the user of your application to change the Look And Feel based on the user's systems. Alternatively, if you can store the wanted Look And Feel's on your application, then they could be "portable", which is the desired result.
public void changeLookAndFeel() {
List<S...
python dataframe pandas drop column using int
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You need to identify the columns based on their position in dataframe. For example, if you want to drop (del) column number 2,3 and 5, it will be,
df.drop(df.columns[[2,3,5]], axis = 1)
...
Insert HTML with React Variable Statements (JSX)
...r the simplest answer especially if the HTML is written by you and dynamic based on user input. You can quite literally set var myHtml = <p>Some text</p>; and it works
– pat8719
May 15 '19 at 13:45
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When monkey patching an instance method, can you call the overridden method from the new implementat
...s a bit tricky. Basically, in Ruby (and in pretty much all single-dispatch based OO languages), a method is bound to a specific receiver object, called self in Ruby. In other words: a method always knows what object it was called on, it knows what its self is. But, we grabbed the method directly fro...
Compare given date with today
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One caution based on my experience, if your purpose only involves date then be careful to include the timestamp. For example, say today is "2016-11-09". Comparison involving timestamp will nullify the logic here. Example,
// input
$var...
Cannot add or update a child row: a foreign key constraint fails
...date a row to table2 that does not have a valid value for the UserID field based on the values currently stored in table1. If you post some more code I can help you diagnose the specific cause.
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