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Throwing exceptions from constructors
I'm having a debate with a co-worker about throwing exceptions from constructors, and thought I would like some feedback.
1...
Echo a blank (empty) line to the console from a Windows batch file [duplicate]
When outputting status messages to the console from a Windows batch file, I want to output blank lines to break up the output. How do I do this?
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wget/curl large file from google drive
I'm trying to download a file from google drive in a script, and I'm having a little trouble doing so. The files I'm trying to download are here .
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How can I get the named parameters from a URL using Flask?
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Use request.args to get parsed contents of query string:
from flask import request
@app.route(...)
def login():
username = request.args.get('username')
password = request.args.get('password')
shar...
How to read file from relative path in Java project? java.io.File cannot find the path specified
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If it's already in the classpath, then just obtain it from the classpath instead of from the disk file system. Don't fiddle with relative paths in java.io.File. They are dependent on the current working directory over which you have totally no control from inside the Java code.
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Git copy file preserving history [duplicate]
...lder No. Like git diff -M this is just smart analysis of the tree objects. From the git blame man page: "The origin of lines is automatically followed across whole-file renames (currently there is no option to turn the rename-following off)."
– CliffordVienna
A...
Using git, how do I ignore a file in one branch but have it committed in another branch?
...k and dirty:
$ git branch public_viewing
$ cd .git/
$ touch info/exclude_from_public_viewing
$ echo "path/to/secret/file" > info/exclude_from_public_viewing
then in the .git/config file add these lines:
[core]
excludesfile = +info/exclude
[branch "public_viewing"]
excludesfile = +info/exc...
Get a random boolean in python?
...s(1)"
1000000 loops, best of 3: 0.308 usec per loop
$ python -m timeit -s "from random import getrandbits" "not getrandbits(1)"
1000000 loops, best of 3: 0.262 usec per loop # not takes about 20us of this
Added this one after seeing @Pavel's answer
$ python -m timeit -s "from random import rando...
Find where java class is loaded from
...rogrammaticly find out where the java classloader actually loads the class from?
11 Answers
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What is the difference between new/delete and malloc/free?
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new/delete
Allocate/release memory
Memory allocated from 'Free Store'
Returns a fully typed pointer.
new (standard version) never returns a NULL (will throw on failure)
Are called with Type-ID (compiler calculates the size)
Has a version explicitly to handle arrays.
Reallocati...