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In javascript, is an empty string always false as a boolean?
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@Bruno, You can perform the same test with NaN and undefined. They are not false but they are falsy. Which is what was asked.
– Joseph
Feb 25 '16 at 23:52
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Disable assertions in Python
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Call Python with the -O flag:
test.py:
assert(False)
print 'Done'
Output:
C:\temp\py>C:\Python26\python.exe test.py
Traceback (most recent call last):
File "test.py", line 1, in <module>
assert(False)
AssertionError
C:\temp\py>C:\Py...
How can I tell IntelliJ's “Find in Files” to ignore generated files?
...of getting the same result without needing to configure a custom scope.
I tested this in IntelliJ Ultimate 14.1.4. I have no idea how it behaves in other versions, but I suspect most of v14 at least will behave the same.
sh...
How to trigger a build only if changes happen on particular set of files
...ob #1
This should be triggered on changes in your Git repository. It then tests whether the path you specify ("src" here) has changes and then uses Jenkins' CLI to trigger a second job.
export JENKINS_CLI="java -jar /var/run/jenkins/war/WEB-INF/jenkins-cli.jar"
export JENKINS_URL=http://localhost:...
Regex: matching up to the first occurrence of a character
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sample text:
"this is a test sentence; to prove this regex; that is g;iven below"
If for example we have the sample text above, the regex /(.*?\;)/ will give you everything until the first occurence of semicolon (;), including the semicolon: "this...
Mocha / Chai expect.to.throw not catching thrown errors
I'm having issues getting Chai's expect.to.throw to work in a test for my node.js app. The test keeps failing on the thrown error, but If I wrap the test case in try and catch and assert on the caught error, it works.
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Read file data without saving it in Flask
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We simply did:
import io
from pathlib import Path
def test_my_upload(self, accept_json):
"""Test my uploads endpoint for POST."""
data = {
"filePath[]": "/tmp/bin",
"manifest[]": (io.StringIO(str(Path(__file__).parent /
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Set mouse focus and move cursor to end of input using jQuery
...lue (to itself) I think the cursor is getting put at the end of the input. Tested in Firefox 3 and MSIE7.
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LAST_INSERT_ID() MySQL
...last insert id in a variable :
INSERT INTO table1 (title,userid) VALUES ('test', 1);
SET @last_id_in_table1 = LAST_INSERT_ID();
INSERT INTO table2 (parentid,otherid,userid) VALUES (@last_id_in_table1, 4, 1);
Or get the max id frm table1
INSERT INTO table1 (title,userid) VALUES ('test', 1); ...
Hide html horizontal but not vertical scrollbar
... I'm seeing that as CSS3, and it doesn't work in Firefox when I test it. I also see that this is available as an IE-only property from way back in the day.
– William Jones
Apr 7 '10 at 17:03
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