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What are the barriers to understanding pointers and what can be done to overcome them? [closed]
...use address on it, and the memory block it references as the actual house. All sorts of operations can thus be easily explained.
I've added some Delphi code down below, and some comments where appropriate. I chose Delphi since my other main programming language, C#, does not exhibit things like mem...
Is it possible to change a UIButtons background color?
...
This can be done programmatically by making a replica:
loginButton = [UIButton buttonWithType:UIButtonTypeCustom];
[loginButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
loginButton.backgroundColor = [UIColor whiteColor];
loginB...
Make an HTTP request with android
...e. Instead use either:
OkHttp
HttpUrlConnection
Original Answer
First of all, request a permission to access network, add following to your manifest:
<uses-permission android:name="android.permission.INTERNET" />
Then the easiest way is to use Apache http client bundled with Android:
Ht...
Maven Could not resolve dependencies, artifacts could not be resolved
...ate maven repos. Instead, the JARs were cached, and no lookups happened at all.
– wmorrell
Jan 16 '19 at 19:22
1
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String Concatenation using '+' operator
... code:
string x = "hello";
string y = "there";
string z = "chaps";
string all = x + y + z;
actually gets compiled as:
string x = "hello";
string y = "there";
string z = "chaps";
string all = string.Concat(x, y, z);
(Gah - intervening edit removed other bits accidentally.)
The benefit of the C...
Slow Requests on Local Flask Server
... localhost
Once I do this the latency problems go away.
I'm really digging Flask and I'm glad that it's not a problem with the framework. I knew it couldn't be.
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Is it possible to create a multi-line string variable in a Makefile
...onment variable (NOT a make variable). For example:
export ANNOUNCE_BODY
all:
@echo "$$ANNOUNCE_BODY"
Note the use of $$ANNOUNCE_BODY, indicating a shell environment variable reference, rather than $(ANNOUNCE_BODY), which would be a regular make variable reference. Also be sure to use quote...
NUnit Test Run Order
By default nunit tests run alphabetically. Does anyone know of any way to set the execution order? Does an attribute exist for this?
...
Correct way to write line to file?
...ing files opened in text mode (the default); use a single '\n' instead, on all platforms.
Some useful reading:
The with statement
open()
'a' is for append, or use
'w' to write with truncation
os (particularly os.linesep)
...
How to check if remote branch exists on a given remote repository?
...epository. The problem is that the remote repository is not checked out locally, so I can't use git branch -r . All I have is a remote address, something like this https://github.com/project-name/project-name.git . Is there a way to list remote branches just by a remote address? I couldn't find...