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How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
I am trying to create a connection to my database, when I put test my code using the main method, it works seamlessly. However, when trying to access it through Tomcat 7, it fails with error:
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How do I disable the 'Debug / Close Application' dialog on Windows Vista?
...r me in fixing a VSTS Build Agent issue where I was trying to run Selenium tests. Thanks!
– Stu1986C
Sep 5 '18 at 9:59
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Returning value from Thread
...A value gets changed inside the Thread and I'd like to return it to the test() method. Is there a way to do this?
8 Ans...
Is there a generator version of `string.split()` in Python?
...]+", string))
Demo:
>>> list( split_iter("A programmer's RegEx test.") )
['A', "programmer's", 'RegEx', 'test']
edit: I have just confirmed that this takes constant memory in python 3.2.1, assuming my testing methodology was correct. I created a string of very large size (1GB or so), t...
Is there an auto increment in sqlite?
..., home_id VARCHAR(25) NOT NULL);
INSERT INTO room(name, home_id) VALUES ('test', 'home id test');
INSERT INTO room(name, home_id) VALUES ('test 2', 'home id test 2');
SELECT * FROM room;
will give:
1|test|home id test
2|test 2|home id test 2
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Why can't overriding methods throw exceptions broader than the overridden method?
...den method declares the exception
Example:
class Super {
public void test() {
System.out.println("Super.test()");
}
}
class Sub extends Super {
@Override
public void test() throws IndexOutOfBoundsException {
// Method can throw any Unchecked Exception
Syste...
Determine if Python is running inside virtualenv
...at() != sys.prefix
If you only care about supported Python versions and latest virtualenv, you can replace get_base_prefix_compat() with simply sys.base_prefix.
Using the VIRTUAL_ENV environment variable is not reliable. It is set by the virtualenv activate shell script, but a virtualenv can be use...
How to prevent rm from reporting that a file was not found?
...
-f is the correct flag, but for the test operator, not rm
[ -f "$THEFILE" ] && rm "$THEFILE"
this ensures that the file exists and is a regular file (not a directory, device node etc...)
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How to base64 encode image in linux bash / shell
...ntents of the file named 'DSC_0251.JPG', rather than the filename itself.
test="$(cat DSC_0251.JPG | base64)"
However, base64 can read from the file itself:
test=$( base64 DSC_0251.JPG )
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What guidelines for HTML email design are there? [closed]
...'t even think about flash, Javascript, SVG, canvas, or anything like that.
Test, a lot. Make sure you test in a recent Outlook (things have changed a lot! It now uses Word as its HTML rendering engine, and it's crippled: Word 2007 HTML/CSS support). Gmail is pretty finicky also. Surprisingly Yahoo's...