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React JSX: selecting “selected” on selected option
...even easier for you. Instead of defining selected on each option, you can (and should) simply write value={optionsState} on the select tag itself:
<select value={optionsState}>
<option value="A">Apple</option>
<option value="B">Banana</option>
<option value="C"...
How can I check if a jQuery plugin is loaded?
...er is not a jQuery plugin. It modifies/extends the javascript date object, and is not added as a jQuery namespace. You could check if the method you need exists, for example:
if(Date.today) {
//Use the dateJS today() method
}
But you might run into problems where the API overlaps the nati...
Parse query string into an array
...
You want the parse_str function, and you need to set the second parameter to have the data put in an array instead of into individual variables.
$get_string = "pg_id=2&parent_id=2&document&video";
parse_str($get_string, $get_array);
print_r($g...
How to escape apostrophe (') in MySql?
The MySQL documentation says that it should be \' . However, both scite and mysql shows that '' works. I saw that and it works. What should I do?
...
How to run JUnit test cases from the command line
I would like to run JUnit test cases from the command line.
How can I do this?
11 Answers
...
Getting a list of values from a list of dicts
...
Here's another way to do it using map() and lambda functions:
>>> map(lambda d: d['value'], l)
where l is the list.
I see this way "sexiest", but I would do it using the list comprehension.
Update:
In case that 'value' might be missing as a key use:
&...
Git push error: Unable to unlink old (Permission denied)
...ll have the file opened this error will appear as well. Had the same error and that was why i was not able to push my changes in.
– Matias
Nov 3 '16 at 14:05
1
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Multiline bash commands in makefile
...e a very comfortable way to compile my project via a few lines of bash commands. But now I need to compile it via makefile. Considering, that every command is run in its own shell, my question is what is the best way to run multi-line bash command, depended on each other, in makefile?
For example,...
Gradle finds wrong JAVA_HOME even though it's correctly set
...E=/usr/lib/jvm/default-java
Commenting this line out solves the problem, and Gradle finds the correct path to the Java binary.
If you just download the binary from their website it does not have this problem,
It's an issue with the Ubuntu repo version. There also seem to be some other issues wi...
Insert text with single quotes in PostgreSQL
...g literals
Escaping single quotes ' by doubling them up -> '' is the standard way and works of course:
'user's log' -- incorrect syntax (unbalanced quote)
'user''s log'
In old versions or if you still run with standard_conforming_strings = off or, generally, if you prepend your string with...