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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
...
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...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...mendously helpful, and all of what I'm discussing below is linked directly from this page.
First, .click(function) is literally a shortcut for .bind('click', function), they are equivalent. Use them when binding a handler directly to an element, like this:
$(document).click(function() {
alert("...
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...
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 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 enable cross-origin resource sharing (CORS) in the express.js framework on node.js
...at will support cross-domain scripting, while still providing static files from a public directory. I'm using the express.js and am not really sure how to allow cross-domain scripting ( Access-Control-Allow-Origin: * ).
...
What is the difference between join and merge in Pandas?
...ve some typing by using df1.join(df2) instead.
Some notes on these issues from the documentation at http://pandas.pydata.org/pandas-docs/stable/merging.html#database-style-dataframe-joining-merging:
merge is a function in the pandas namespace, and it is also
available as a DataFrame instance ...