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What does an underscore in front of an import statement mean?
...river{})
Once it's registered in this way, sqlite3 can be used with the standard library's sql interface in your code like in the example:
db, err := sql.Open("sqlite3", "./foo.db")
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improv...
php check if array contains all array values from another array
I would like to find out if $all contains all $search_this values and return true or false. any idea please?
5 Answers
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How do I call Objective-C code from Swift?
...t
If you have an existing class that you'd like to use, perform Step 2 and then skip to Step 5. (For some cases, I had to add an explicit #import <Foundation/Foundation.h to an older Objective-C File.)
Step 1: Add Objective-C Implementation -- .m
Add a .m file to your class, and name it Cu...
How to get one value at a time from a generator function in Python?
...thon 3.x
In Python >= 2.6, use next(gen). This is a built in function, and is clearer. It will also work in Python 3.
Both of these end up calling a specially named function, next(), which can be overridden by subclassing. In Python 3, however, this function has been renamed to __next__(), to b...
How to parse a CSV file using PHP [duplicate]
... CSV file
http://php.net/manual/en/function.fgetcsv.php
$row = 1;
if (($handle = fopen("test.csv", "r")) !== FALSE) {
while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
$num = count($data);
echo "<p> $num fields in line $row: <br /></p>\n";
$row++;
for ($...
How can you hide database output in Rails console?
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Thanks. And to turn it back on, ActiveRecord::Base.logger.level = 0.
– thebenedict
Nov 19 '13 at 8:34
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“Inner exception” (with traceback) in Python?
My background is in C# and I've just recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python?
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Why does TestInitialize get fired for every test in my Visual Studio unit tests?
...ot a single [TestClass] , which has a [TestInitialize] , [TestCleanup] and a few [TestMethods] .
4 Answers
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How do I merge a specific commit from one branch into another in Git?
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The git cherry-pick <commit> command allows you to take a single commit (from whatever branch) and, essentially, rebase it in your working branch.
Chapter 5 of the Pro Git book explains it better than I can, complete with diagrams and such. (The chapter on ...
Access to Modified Closure
...y executing the delegate within the loop.
If you were saving the delegate and using it later, however, you'd find that all of the delegates would throw exceptions when trying to access files[i] - they're capturing the variable i rather than its value at the time of the delegates creation.
In short...