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How to avoid overflow in expr. A * B - C * D
...ume implementation specific behavior, but every engineer should understand modulo arithmetic and how to get the right compiler flags to ensure consistent behavior if performance is essential. DSP engineers rely on this behavior for fixed point filter implementations, for which the accepted answer w...
Does python have an equivalent to Java Class.forName()?
... does what you want:
def get_class( kls ):
parts = kls.split('.')
module = ".".join(parts[:-1])
m = __import__( module )
for comp in parts[1:]:
m = getattr(m, comp)
return m
You can use the return value of this function as if it were the class itself.
Here...
Deciding between HttpClient and WebClient
...d shared cookies
Control over caching and shared cache.
Inject your code module into the ASP.NET pipeline. Cleaner and modular code.
Reference
C# 5.0 Joseph Albahari
(Channel9 — Video Build 2013)
Five Great Reasons to Use the New HttpClient API to Connect to Web Services
WebClien...
Relative imports in Python 2.7
...
Script vs. Module
Here's an explanation. The short version is that there is a big difference between directly running a Python file, and importing that file from somewhere else. Just knowing what directory a file is in does not deter...
What is the runtime performance cost of a Docker container?
...tterns; overlayfs variants can be much more expensive with big directories modified through multiple layers f/e).
– Charles Duffy
Jan 15 '19 at 17:00
add a comment
...
How to remove .htaccess password protection from a subdirectory
...
This doesnt work for me - I still get the password modal asking for username and pwd.. Using firefox & windows 7... Anybody any idea?
– ItsMeDom
Nov 3 '14 at 1:46
...
How to minify php page html output?
... generally reduces the response size by about 70%. (If you use Apache, the module configuring gzip depends on your version: Apache 1.3 uses mod_gzip while Apache 2.x uses mod_deflate.)
Accept-Encoding: gzip, deflate
Content-Encoding: gzip
Use the following snippet to remove white-spaces from the H...
Convert int to ASCII and back in Python
...uvwxyzABCDEFGHJKLMNPQRSTUVWXYZ'
url = ''
while node_id >= 58:
div, mod = divmod(node_id, 58)
url = BASE58[mod] + url
node_id = int(div)
return 'http://short.com/%s' % BASE58[node_id] + url
Turning that back into a number isn't a big deal either.
...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...that the installation created.
So first check the list of files and their mod-time:
cd $SOURCE_DIR
sudo xargs -I{} stat -c "%z %n" "{}" < install_manifest.txt
You should get zero errors and the mod-times of the listed files should be on or after the installation time. If all is OK you can d...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
...reusable .htaccess (or httpd.conf) solution that works with Apache:
<IfModule mod_rewrite.c>
<IfModule mod_headers.c>
# Define the root domain that is allowed
SetEnvIf Origin .+ ACCESS_CONTROL_ROOT=yourdomain.com
# Check that the Origin: matches the defined root domain and ...