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Classes vs. Modules in VB.NET
...ed solely for helper functions and extension methods and you don't want to allow inheritance and instantiation, you use a Module.
By the way, using Module is not really subjective and it's not deprecated. Indeed you must use a Module when it's appropriate. .NET Framework itself does it many times (...
Nginx reverse proxy causing 504 Gateway Timeout
...nd it had to do with not using a keep-alive on the connection. I can't actually answer why this is but, in clearing the connection header I solved this issue and the request was proxied just fine:
server {
location / {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header ...
Python: How to create a unique file name?
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I didn't think your question was very clear, but if all you need is a unique file name...
import uuid
unique_filename = str(uuid.uuid4())
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PG undefinedtable error relation users does not exist
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At first, you shall detach all connections out of database. By default you use the development environment. Then try to reset database with the following:
rake db:reset
The rake db:reset task will drop the database and set it up again....
Sign APK without putting keystore info in build.gradle
...yPassword=...
keyAlias=...
storeFile=...
Add this to your build.gradle:
allprojects {
afterEvaluate { project ->
def propsFile = rootProject.file('keystore.properties')
def configName = 'release'
if (propsFile.exists() && android.signingConfigs.hasProperty(...
How do I get the type of a variable?
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I totally disagree. Java, C#, PHP, Perl, Python and so on were designed in C and C++ and they are not caterpillars. (When you create an database application to open variable tables from 'unknown' databases you need to control fiel...
What is the reason why “synchronized” is not allowed in Java 8 interface methods?
...t seem sensible to extend this semantics to default methods as well; after all, they are instance methods with a receiver too. (Note that synchronized methods are entirely a syntactic optimization; they're not needed, they're just more compact than the corresponding synchronized block. There's a r...
filtering NSArray into a new NSArray in Objective-C
... edited Jan 17 '18 at 6:45
Niall Kiddle
1,22911 gold badge1010 silver badges2929 bronze badges
answered Sep 21 '08 at 5:43
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Setting Windows PowerShell environment variables
...t finds in the WindowsPowerShell directory under
My Documents folder. Typically you have a profile.ps1
file already there. The path on my computer is
C:\Users\JaredPar\Documents\WindowsPowerShell\profile.ps1
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How do I make Git use the editor of my choice for commits?
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For Sublime Text:
Add this to the .gitconfig. The --wait is important (it allows to type text in sublime and will wait for save/close event.)
[core]
editor = 'subl' --wait
'subl' can be replaced by the full path of the executable but is usually available when correctly installed.
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