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How can I replace every occurrence of a String in a file with PowerShell?
...downvote if I could. In PowerShell 3 this silently deletes all the content from the file! Using Set-Content instead of Out-File yuou get a warning like "The process cannot access the file '123.csv' because it is being used by another process.".
– Iain Samuel McLean Elder
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Git production/staging server workflow
...e web site to a local disc, if I don't already have it.
2. clone the repo from production to staging server
You should probably have a "central" repo separate from both the production and the staging server. That one can be cloned and pushed as needed.
3. developers clone the repo from the stagin...
android EditText - finished typing event
...editable field - I pretty much never press Enter/Done - and what I've seen from our customers, neither do they... I am talking about a list of Edittexts/Comboboxes etc. If you only give the user one Input field and force him to press a button before he can advance to other fields then that's obvious...
Why is it impossible to override a getter-only property and add a setter? [closed]
... property doesn't necessarily translate into read-only. I interpret it as "From this interface/abtract you can get this value", that doesn't mean that some implementation of that interface/abstract class wont need the user/program to set this value explicitly. Abstract classes serve the purpose of i...
How are multi-dimensional arrays formatted in memory?
...ess the array correctly):
warning: passing argument 1 of ‘function1’ from incompatible pointer type
Because a 2D array is not the same as int **. The automatic decaying of an array into a pointer only goes "one level deep" so to speak. You need to declare the function as:
void function2(i...
Default constructor vs. inline field initialization
...t it's the same functionality for less code (which is always good).
Apart from that, no difference.
However, if you do have explicit constructors, I'd prefer to put all initialization code into those (and chain them) rather than splitting it up between constructors and field initializers.
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How to check whether an array is empty using PHP?
... create an array with database column names as the keys but no values/data from the database), then the array will NOT be empty().
In this case, you can loop the array in a foreach, testing if each key has a value. This is a good method if you need to run through the array anyway, perhaps checkin...
How to create a cron job using Bash automatically without the interactive editor?
...ng the editor (crontab -e). If so, What would be the code create a cronjob from a Bash script?
20 Answers
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How to read json file into java with simple JSON library
...refore, your parser will return a JSONArray. You can then get JSONObjects from the array ...
JSONArray a = (JSONArray) parser.parse(new FileReader("c:\\exer4-courses.json"));
for (Object o : a)
{
JSONObject person = (JSONObject) o;
String name = (String) person.get("name");
Sys...
How is the Linux kernel tested ?
...ng, and quite often they will be using a development version of the kernel from Linus, or one of the other unstable/development trees for a project relevant to their work. This means they are often testing both their changes and other people's changes.
There tend not to be much in the way of formal...