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Null or default comparison of generic argument in C#
...s doesn't work when using integers that are already boxed. Because it will then be an object and the default for object is null instead of 0.
– riezebosch
Nov 7 '11 at 19:11
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How do I drag and drop files into an application?
... @Burnsys if you have the filepath from the drag operation, then you can read using io.File
– Smith
May 24 '13 at 23:51
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Get path from open file in Python
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If you create a file using open('foo.txt', 'w') and then do f.name, it only provides you with the output foo.txt
– searchengine27
Jun 16 '15 at 17:04
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Retrieve column names from java.sql.ResultSet
... can get the column name from there. If you do
select x as y from table
then rsmd.getColumnLabel() will get you the retrieved label name too.
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git pull from master into the development branch
... pull origin master
the pull command instructs git to run git fetch, and then the moral equivalent of git merge origin/master. So this is almost the same as doing the two steps by hand, but there are some subtle differences that probably are not too concerning to you. (In particular the fetch st...
Can I create a One-Time-Use Function in a Script or Stored Procedure?
...ctions. You could have the proc store it's result in a temp table though, then use that information later in the script ..
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What does apply_filters(…) actually do in WordPress?
...he current filter (or hook) has an action(/callback function) attached and then calls it.
Long explanation
When you attach a callback/action to a filter or hook, then you just add the callback name to global filters array. When then, in code (for e.g. a template, core or plugin file) a call to do_...
Is there a reason for C#'s reuse of the variable in a foreach?
... expressions were available or common, and which hasn't been revised since then?
The latter. The C# 1.0 specification actually did not say whether the loop variable was inside or outside the loop body, as it made no observable difference. When closure semantics were introduced in C# 2.0, the choic...
Sorting arrays in NumPy by column
...ds to order the search by. For example, you can sort by the second column, then the third column, then the first column by supplying order=['f1','f2','f0'].
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Set ImageView width and height programmatically?
..., you just can get the current ones, I mean if you do it (create new ones) then you don't even need xml, then also create/add imageview programmatically...
– user924
Mar 10 '18 at 1:38
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