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Programmatically relaunch/recreate an activity?
... method to activities.
I've done that by simply reusing the intent that started the activity. Define an intent starterIntent in your class and assign it in onCreate() using starterIntent = getIntent();. Then when you want to restart the activity, call finish(); startActivity(starterIntent);
It i...
Take a char input from the Scanner
...
Wouldn't reader.next() already give you the string starting from the first non-white char?
– norok2
Jun 25 at 10:07
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ImportError: No module named Crypto.Cipher
...e bin/activate
pip3 install pycryptodome
# check if everything worked:
# start the interactive python console and import the Crypto module
# when there is no import error then it worked
python
>>> from Crypto.Cipher import AES
>>> exit()
# don't forget to deactivate your venv ag...
C# loop - break vs. continue
... i++) {
if (i == 3) {
continue; // It will take the control to start point of loop
}
lblDisplay.Text = lblDisplay.Text + i + "[Printed] ";
}
Here is the output:
0[Printed] 1[Printed] 2[Printed] 4[Printed]
So 3[Printed] will not be displayed as there is continue when i ...
Using OpenSSL what does “unable to write 'random state'” mean?
...n is on Linux, but on windows I had the same issue. Turns out you have to start the command prompt in "Run As Administrator" mode for it to work. Otherwise you get the same: unable to write 'random state' error.
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...
C# elegant way to check if a property's property is null
...f these properties are null, then the entire statement returns as null. It starts from left to right. Without the syntactical sugar this is equivalent to a series of if statements where if(propertyX == null) {value = null} else if (propertyY == null){ value = null} else if...... with the eventual la...
org.xml.sax.SAXParseException: Content is not allowed in prolog
... the prolog designates this bracket-question mark delimited element at the start of the document (while the tag prolog in stackoverflow refers to the programming language).
Added: Is that dash in front of your prolog part of the document? That would be the error there, having data in front of the ...
What would cause an algorithm to have O(log n) complexity?
... work from the right to the left. For example, to add 1337 and 2065, we'd start by writing the numbers out as
1 3 3 7
+ 2 0 6 5
==============
We add the last digit and carry the 1:
1
1 3 3 7
+ 2 0 6 5
==============
2
Then we add the second-to-l...
How to set environment variable or system property in spring tests?
...
The right way to do this, starting with Spring 4.1, is to use a @TestPropertySource annotation.
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:whereever/context.xml")
@TestPropertySource(properties = {"myproperty...
What is the --save option for npm install?
...ginal answer:
It won't do anything if you don't have a package.json file. Start by running npm init to create one. Then calls to npm install --save or npm install --save-dev or npm install --save-optional will update the package.json to list your dependencies.
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