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Objective-C ARC: strong vs retain and weak vs assign
... have to use either weak or unsafe_unretained (which is unsafe, obviously) if you don't want to retain the property.
– cobbal
Jan 19 '12 at 15:07
5
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Use find command but exclude files in two directories
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Here's how you can specify that with find:
find . -type f -name "*_peaks.bed" ! -path "./tmp/*" ! -path "./scripts/*"
Explanation:
find . - Start find from current working directory (recursively by default)
-type f - Specify to find that you o...
MVC 5 Seed Users and Roles
...d override void Seed(SecurityModule.DataContexts.IdentityDb context)
{
if (!context.Roles.Any(r => r.Name == "AppAdmin"))
{
var store = new RoleStore<IdentityRole>(context);
var manager = new RoleManager<IdentityRole>(store);
var role = new IdentityRole...
How to get distinct values from an array of objects in JavaScript?
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If this were PHP I'd build an array with the keys and take array_keys at the end, but JS has no such luxury. Instead, try this:
var flags = [], output = [], l = array.length, i;
for( i=0; i<l; i++) {
if( flags[array[i...
Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...e it does not know that the struct is actually defined by the ZIP file specification.
C is an unsafe language. The C compiler doesn't know whether the data will be accessed via a different type than the one seen by the compiler, for example:
struct S {
char a;
int b;
char c;
};
struct ...
How do I get the full path of the current file's directory?
... script being run:
import os
os.path.dirname(os.path.abspath(__file__))
If you mean the current working directory:
import os
os.path.abspath(os.getcwd())
Note that before and after file is two underscores, not just one.
Also note that if you are running interactively or have loaded code from...
When is “i += x” different from “i = i + x” in Python?
I was told that += can have different effects than the standard notation of i = i + . Is there a case in which i += 1 would be different from i = i + 1 ?
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annotation to make a private method public only for test classes [duplicate]
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If you use FindBugs, I've built a plugin that can actually verify for you that @VisibleForTesting methods are not being used outside test classes.
– Johnco
Jul 23 '15 at 14:40
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uwsgi invalid request block size
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It's not the correct solution. What if we want to unix sockets?
– Farsheed
Aug 21 '15 at 11:28
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How to make join queries using Sequelize on Node.js
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What if I want to join only Users who are born in 1984 ? In SQL I would do : SELECT * FROM posts JOIN users ON users.id = posts.user_id WHERE users.year_birth = 1984
– Iwazaru
Dec 28 '14 at 2...