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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...
Force Intellij IDEA to reread all maven dependencies
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Lets say I have 5 modules, all of them maven based, in a single project and I do this. Does this command apply to all modules, just the selected one, or the first one in the project when it runs?
– slartibartfast
Sep 25 '15 at 22:0...
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)
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Do you (really) write exception safe code? [closed]
...on, which enables you to write code with transactional semantics, like databases, with commit/rollback features, the commit being the normal execution of the code, throwing exceptions being the rollback.
Then, the "basic" is the very least guarantee you should offer. C++ is a very strong language th...
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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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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