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How do I join two lines in vi?
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If you want to join the selected lines (you are in visual mode), then just press gJ to join your lines with no spaces whatsoever.
This is described in greater detail on the vi/Vim Stack Exchange site.
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IntelliJ: Never use wildcard imports
...open "Imports" under "Code Style", and check the "Use single class import" selection. You can also completely remove entries under "Packages to use import with *", or specify a threshold value that only uses the "*" when the individual classes from a package exceeds that threshold.
Update: in IDEA...
How do I analyze a .hprof file?
...unning a form of limited SQL (OQL) against the in-memory objects, i.e.
SELECT toString(firstName) FROM com.yourcompany.somepackage.User
Totally brilliant.
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How do I read and parse an XML file in C#?
...then find a node below it ie like this
XmlNode node = doc.DocumentElement.SelectSingleNode("/book/title");
or
foreach(XmlNode node in doc.DocumentElement.ChildNodes){
string text = node.InnerText; //or loop through its children as well
}
then read the text inside that node like this
string...
Ruby on Rails: how do I sort with two columns using ActiveRecord?
...ersonally I find it easier to manage.
SQL gets produced in one step only:
SELECT "models".* FROM "models" ORDER BY "models"."etc" ASC, "models"."bar" DESC, "models"."foo" ASC
Thusly, for the original question:
Model.order(:updated_at).order(:price)
You need not declare data type, ActiveRecord ...
How to delete a character from a string using Python
...examples for both of the two major uses cases, separated by their position selection method.
– Alexander Stohr
Mar 17 at 15:29
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How to use XPath in Python?
...thFreeContext(). This is not very Pythonic.
If you are doing simple path selection, stick with ElementTree ( which is included in Python 2.5 ). If you need full spec compliance or raw speed and can cope with the distribution of native code, go with libxml2.
Sample of libxml2 XPath Use
import l...
Add 10 seconds to a Date
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Can anybody please explain what the selected answer (currently from @zzzzBov) is doing wrong? It works for me.
– tsemer
Jul 21 '16 at 10:55
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How does comparison operator works with null int?
...e("num1 is greater than or equal to num2");
}
else
{
// This clause is selected, but num1 is not less than num2.
Console.WriteLine("num1 >= num2 returned false (but num1 < num2 also is false)");
}
if (num1 < num2)
{
Console.WriteLine("num1 is less than num2");
}
else
{
// T...
Making HTTP Requests using Chrome Developer tools
...Chrome Developer Tools' Network tab:
Right-click the Name of the request
Select Copy > Copy as cURL
Paste to the command line (command includes cookies and headers)
Edit request as needed and run
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