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Print current call stack from a method in Python code
...list of the function call stack with a filename and line number
list from start to where you put this line
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What is the use of printStackTrace() method in Java?
...n the program control transfer details into the execution stack. The lines starting with at, are nothing but the values of the execution stack.
In this way the programmer can understand where in code the actual problem is.
Along with the printStackTrace() method, it's a good idea to use e.getmessa...
Check string for palindrome
...ovides all indexes til strings half length and then a comparision from the start and from the end is done.
public static void main(String[] args) {
for (String testStr : Arrays.asList("testset", "none", "andna", "haah", "habh", "haaah")) {
System.out.println("testing " + testStr + " is ...
IntelliJ Organize Imports
...ince IDEA 13 you can configure the project default settings from the IDEA "start page": Configure > Project defaults > Settings > .... Then every new project will have those default settings:
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Stopping an Android app from console
...s a side effect. Like this:
adb -d install -r MyApp.apk ; adb -d shell am start -a android.intent.action.MAIN -n com.MyCompany.MyApp/.MyActivity
The -r option preserves the data currently associated with the app. However, if you want a clean slate like you mention you might not want to use that op...
How set background drawable programmatically in Android
... drawable object associated with a particular resource ID.
* <p>
* Starting in {@link android.os.Build.VERSION_CODES#LOLLIPOP}, the returned
* drawable will be styled for the specified Context's theme.
*
* @param id The desired resource identifier, as generated by the aapt tool.
* ...
Converting List to List
... be mitigated by anonymous classes, but still). This functional style only starts to become useful when there's a decent syntax (i.e. lambda expressions since Java 8), like functional languages have provided it for decades.
– TheOperator
Jan 31 '16 at 21:02
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Git - Ignore files during merge
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You could start by using git merge --no-commit, and then edit the merge however you like i.e. by unstaging config.xml or any other file, then commit. I suspect you'd want to automate it further after that using hooks, but I think it'd...
Apache Proxy: No protocol handler was valid
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For my Apache2.4 + php5-fpm installation to start working, I needed to activate the following Apache modules:
sudo a2enmod proxy
sudo a2enmod proxy_fcgi
No need for proxy_http, and this is what sends all .php files straight to php5-fpm:
<FilesMatch \.php$>
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How to prompt for user input and read command-line arguments [closed]
...int sys.argv
#print the second argument passed from cmd line; Note it starts from ZERO
print sys.argv[1]
except:
e = sys.exc_info()[0]
print e
1) To find the square root of 5
C:\Users\Desktop>python -i emp.py 5
25
['emp.py', '5']
5
2) Passing invalid argument other than numb...