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How to log source file name and line number in Python
Is it possible to decorate/extend the python standard logging system, so that when a logging method is invoked it also logs the file and the line number where it was invoked or maybe the method that invoked it?
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Detecting Unsaved Changes
... prompt in an ASP .Net application. If a user modifies controls on a web form, and attempts to navigate away before saving, a prompt should appear warning them that they have unsaved changes, and give them the option to cancel and stay on the current page. The prompt should not display if the user...
Relative paths based on file location instead of current working directory [duplicate]
...available via ${BASH_SOURCE[0]}) and then use this to get the parent directory and cd to it at the beginning of the script.
#!/bin/bash
parent_path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
cd "$parent_path"
cat ../some.text
This will make your shell script work independent of where you ...
Keeping ASP.NET Session Open / Alive
...? I want to prevent the following: sometimes users keep their window open for a long time, then enter stuff, and on submit nothing works anymore because the server side session expired. I don't want to increase the timeout value for more than 10 min on the server as I want closed sessions (by closin...
Converting camel case to underscore case in ruby
Is there any ready function which converts camel case Strings into underscore separated string?
11 Answers
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Will #if RELEASE work like #if DEBUG does in C#?
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No, it won't, unless you do some work.
The important part here is what DEBUG really is, and it's a kind of constant defined that the compiler can check against.
If you check the project properties, under the Build tab, you'll find three things:
A text box...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...e an application running locally where we're experiencing the following error:
25 Answers
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How can you do anything useful without mutable state?
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Or if you play a video game, there are
tons of state variables, beginning
with the positions of all the
characters, who tend to move around
constantly. How can you possibly do
anything useful without keeping track
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ImportError: No module named PIL
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On some installs of PIL, You must do
import Image
instead of import PIL (PIL is in fact not always imported this way). Since import Image works for you, this means that you have in fact installed PIL.
Having a different name for the library and the Python modul...
How to add -Xlint:unchecked to my Android Gradle based project?
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This is what worked for me:
(in your project's build.gradle)
allprojects {
gradle.projectsEvaluated {
tasks.withType(JavaCompile) {
options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
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