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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
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Sometimes port is missing from connection string & driver will try to connect to default 3306 mysql port & fail if mysql isn't running at this port. It was my issue so i though i should mention in case somebody else will find it useful.
–...
What is a “symbol” in Julia?
... read those answers, it seems that the reason a symbol is different than a string is that strings are mutable while symbols are immutable, and symbols are also "interned" – whatever that means. Strings do happen to be mutable in Ruby and Lisp, but they aren't in Julia, and that difference is actu...
Could not find any resources appropriate for the specified culture or the neutral culture
... is a static property to get the ResourceManager. Within that getter, the string was still referring the old namespace. Once correcting it to the new namespace, the problem was resolved:
global::System.Resources.ResourceManager temp =
new global::System.Resources.ResourceManager(
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Const in JavaScript: when to use it and is it necessary?
... You should say that this "immutable" behaviour is only applicable to Strings, Basic Types. Using Objects, Arrays etc. it is possible to change the values but it is not possible to re-assign an new "Object", e.g. const a = ["a","b"]; a = []; will throw an error otherwise it is possible
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Create a date from day month and year with T-SQL
...yyyymmdd format works regardless of those settings. "A six- or eight-digit string is always interpreted as ymd." docs.microsoft.com/en-us/sql/t-sql/data-types/… See this answer: stackoverflow.com/a/46064419/2266979
– Riley Major
Sep 7 '17 at 16:16
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How can I pass selected row to commandLink inside dataTable or ui:repeat?
...ataTable>
backing bean
public void viewDetail(ActionEvent e) {
String trxNo = getFacesContext().getRequestParameterMap().get("trxNo");
for (DTO item : list) {
if (item.get("trxNo").toString().equals(trxNo)) {
System.out.println(trxNo);
setSelectedItem...
How to convert comma-delimited string to list in Python?
Given a string that is a sequence of several values separated by a commma:
7 Answers
7...
How to set thousands separator in Java?
How to set thousands separator in Java?
I have String representation of a BigDecimal that I want to format with a thousands separator and return as String.
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UIViewContentModeScaleAspectFill not clipping
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If you want to expand your knowledge there is a really good article on how the iOS UIView stack is rendered. There is also a more in-depth article about the whole drawing pipeline.
In summary:
Rasterisation - All the view's content is rasterised (drawn or a offscreen pix...
What's the difference between VARCHAR and CHAR?
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CHAR
Used to store character string value of fixed length.
The maximum no. of characters the data type can hold is 255 characters.
It's 50% faster than VARCHAR.
Uses static memory allocation.
VARCHAR
Used to store variable length alphanumeric data.
T...