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How to create an infinite loop in Windows batch file?
...it
rem ** can be stopped with a syntax error
call :stop
)
:stop
call :__stop 2>nul
:__stop
() creates a syntax error, quits the batch
This could be useful if you need a really infinite loop, as it is much faster than a goto :loop version because a for-loop is cached completely once at sta...
C dynamically growing array
...ve omitted safety checks for brevity)
typedef struct {
int *array;
size_t used;
size_t size;
} Array;
void initArray(Array *a, size_t initialSize) {
a->array = malloc(initialSize * sizeof(int));
a->used = 0;
a->size = initialSize;
}
void insertArray(Array *a, int element) {
...
What is the strict aliasing rule?
...sg) onto a buffer of the word size of your system (like a pointer to uint32_ts or uint16_ts). When you overlay a struct onto such a buffer, or a buffer onto such a struct through pointer casting you can easily violate strict aliasing rules.
So in this kind of setup, if I want to send a message to so...
How to set JAVA_HOME in Linux for all users
...ileged user, ie. sudo vim
Press 'i' to get in insert mode
add:
export JAVA_HOME="path that you found"
export PATH=$JAVA_HOME/bin:$PATH
logout and login again, reboot, or use source /etc/profile to apply changes immediately in your current shell
...
Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
... what comes from Android Studio) Before starting the install, run the haxm_check.exe included in the download from command line. If your fix worked, it should show yes for both NX and VT.
If you just double click haxm_check.exe you won't see anything. Run it from cmd or powershell to see the outpu...
How to convert a Drawable to a Bitmap?
....getResources(),
R.drawable.icon_resource);
Here a version where the image gets downloaded.
String name = c.getString(str_url);
URL url_value = new URL(name);
ImageView profile = (ImageView)v.findViewById(R.id.vdo_icon);
if (profile != null) {
Bitmap...
Most efficient way to create a zero filled JavaScript array?
...rray(5) you're creating an object that kinda looks like this: { length: 5, __proto__: Array.prototype } - try console.dir( Array(5) ). Notice that it doesn't have any properties 0, 1, 2, etc. But when you apply that unto the Array constructor, it's like saying Array(undefined, undefined, undefined, ...
Best way to handle list.index(might-not-exist) in python?
...
thing_index = thing_list.index(elem) if elem in thing_list else -1
One line. Simple. No exceptions.
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How do I send a JSON string in a POST request in Go
..., resp.Status)
fmt.Println("response Headers:", resp.Header)
body, _ := ioutil.ReadAll(resp.Body)
fmt.Println("response Body:", string(body))
}
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Broken references in Virtualenvs
...1 ryan staff 78 Jun 25 13:21 .Python -> /usr/local/Cellar/python/2.7.8_1/Frameworks/Python.framework/Versions/2.7/Python
The solution is to remove the symlinks in the virtualenv and then recreate them:
find ~/.virtualenvs/my-virtual-env/ -type l -delete
virtualenv ~/.virtualenvs/my-virtual-e...