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Create list of single item repeated N times
...'string'] * len(columns)
Mutable items
I've used Python for a long time now, and I have never seen a use-case where I would do the above with a mutable instance. Instead, to get, say, a mutable empty list, set, or dict, you should do something like this:
list_of_lists = [[] for _ in columns]
T...
Check if a string contains a string in C++
...proach" << std::endl;
start = high_resolution_clock::now();
for(size_t i=0; i<haystacksCount; ++i)
{
if(haystacks[i].find(needle) != std::string::npos)
{
sink = !s...
dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
...
Ad 2: It's now called "ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES" (see comment below accepted answer).
– Raphael
Feb 16 '17 at 8:27
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How can I make a Python script standalone executable to run without ANY dependency?
... executable. Do you mean compiling script to .pyc using Cython? (I didn't know if Cython has such feature)
– Jeff
Mar 28 '11 at 12:18
9
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How to get IP address of the device from code?
...oid) file. I've run this code only on few devices and Emulator but let me know here if you find weird results.
// AndroidManifest.xml permissions
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
//...
Change text color based on brightness of the covered background area?
I've thought about the following for a while already, so now I want to know your opinions, possible solutions, and so on.
8...
What does the “__block” keyword mean?
What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know...
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Launch an app on OS X with command line
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As was mentioned in the question here, the open command in 10.6 now has an args flag, so you can call:
open -n ./AppName.app --args -AppCommandLineArg
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How do I ignore files in a directory in Git?
...he .gitignore file. When one of the two mentioned git commands is executed now, the directory will be (unexpectedly) lost.
mkdir test
cd test
git init
echo "/localdata/*" >.gitignore
git add .gitignore
git commit -m "Add .gitignore."
mkdir localdata
echo "Important data" >localdata/important...
How to get index using LINQ? [duplicate]
...ad of -1 when there is no match. But let's ignore this minor annoyance for now. In fact the horrible standard solution crashes in that case and I consider returning an index that is out-of-bounds superior.
What happens now is ReSharper telling me Loop can be converted into LINQ-expression. While mo...