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How do I check if a string contains another string in Objective-C?
..., 0} if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah";
if ([string containsString:@"bla"]) {
NSLog(@"string contains bla!");...
What is bootstrapping?
...elopment. It seems both widespread and important, but I've yet to come across even a poor explanation of what bootstrapping actually is; rather, it seems as though everyone is just supposed to know what it means. I don't, though. Near as I can figure, it has something to do with initialization ta...
How to load external webpage inside WebView
...
Thanks to this post, I finally found the solution. Here is the code:
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebResourceError;
import android.webkit.WebResourceRequest;
import android.webkit.WebView;
imp...
How do I get my C# program to sleep for 50 msec?
...
There are basically 3 choices for waiting in (almost) any programming language:
Loose waiting
Executing thread blocks for given time (= does not consume processing power)
No processing is possible on blocked/waiting thread
Not so precise
Tight waiting (also called tight...
How to Batch Rename Files in a macOS Terminal?
...se you can use the following bash command (bash is the default shell on macOS):
for f in *.png; do echo mv "$f" "${f/_*_/_}"; done
Note: If there's a chance that your filenames start with -, place -- before them[1]:
mv -- "$f" "${f/_*_/_}"
Note: echo is prepended to mv so as to perform a dry ru...
Wireshark localhost traffic capture [closed]
I wrote a simple server app in C which runs on localhost. How to capture localhost traffic using Wireshark?
9 Answers
...
pip issue installing almost any library
I have a difficult time using pip to install almost anything. I'm new to coding, so I thought maybe this is something I've been doing wrong and have opted out to easy_install to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neit...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...le names like unix and assumed that programmers would simply avoid using those names for their own purposes.
The 1989 ANSI C standard introduced rules restricting what symbols an implementation could legally predefine. A macro predefined by the compiler could only have a name starting with two unde...
Wrapping chained method calls on a separate line in Eclipse for Java
... → Code Style
→ Formatter → Edit → Line wrapping (tab)
Mac OS: ADT → Preferences → Java → Code Style
→ Formatter → Edit → Line wrapping (tab)
Then, in the list at the left, select:
Function Calls → Qualified invocations
Now below this list, set Line wrapping...
Android, getting resource ID from string?
...con", R.drawable.class); // or other resource class
I just found a blog post saying that Resources.getIdentifier() is slower than using reflection like I did. Check it out.
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