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Objective-C: Where to remove observer for NSNotification?
...wont cause you to do logic while the controller is being pushed off screen etc. There are special cases where the controller should receive notifications when it is off-screen I guess you can't do this. But events like that should probably be in your model.
– RickiG
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Using sed and grep/egrep to search and replace
...gular expression containing about 10 unions, so like:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
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Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...quests at a time as long as our system has enough resources (RAM, Network, etc.). How those functions run is THE KEY DIFFERENCE.
-- Hmm, should I be excited now?
-- Maybe :) Node runs a loop over a queue. In this queue are our jobs, i.e, the calls we started to process incoming requests. The most ...
Why use String.Format? [duplicate]
...e simple format indicators (like fixed width, currency, character lengths, etc) right in the format string. You can even create your own format providers for things like expanding enums, mapping specific inputs to much more complicated outputs, or localization.
You can do some powerful things by put...
Fastest way to count exact number of rows in a very large table?
...tract a good estimate by using query optimization tools, table statistics, etc. In the case of PostgreSQL, for instance, you could parse the output of explain count(*) from yourtable and get a reasonably good estimate of the number of rows. Which brings me to your second question.
I have a table...
Can I delete a git commit but keep the changes?
...and then at the next commit point instead run:
git commit --amend [-m … etc]
which will instead edit the most recent commit, having the same effect as above.
Note that this (as with nearly every git answer) can cause problems if you've already pushed the bad commit to a place where someone els...
How to get a enum value from string in C#?
...s you need to explicitly convert this to the required enum type(string,int etc).
Thank you.
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Auto line-wrapping in SVG text
... SVG Tiny 1.2 supports all the standard svg features, e.g advanced filling etc, and that you can specify either of width or height as auto, meaning that the text can flow freely in that direction. ForeignObject acts as clipping viewport.
Note: while the above example is valid SVG 1.1 content, in SV...
Generating CSV file for Excel, how to have a newline inside a value
...re are packages/libraries available for doing that in Python/Perl/PHP/.NET/etc
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How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
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private String getCurrentDateInSpecificFormat(Calendar currentCalDate) {
String dayNumberSuffix = getDayNumberSuffix(currentCalDate.get(Calendar.DAY_OF_MONTH));
DateFormat dateFormat = new SimpleDateFormat(" d'" + dayNumberSuffix + "...