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Difference between int32, int, int32_t, int8 and int8_t
...edef long INT64;
Starting from C99, the designers added stdint.h header file that essentially leverages similar typedefs.
On a windows based system, you may see entries in stdin.h header file as
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int in...
Static function variables in Swift
...atic might be intentional on Apple's part, though one is always welcome to file a bug to request a change. In C, static limits storage of a variable to source-file scope (which is not always the same as class scope), while the placement of the variable declaration determines the lexical scope (i.e. ...
Possible reason for NGINX 499 error codes
... mean it's a browser issue!? Not at all!
You can find 499 errors in a log file if you have a LB (load balancer) in front of your webserver (nginx) either AWS or haproxy (custom). That said the LB will act as a client to nginx.
If you run haproxy default values for:
timeout client 60000
...
How can I add some small utility functions to my AngularJS application?
...sle:
Separate your controller, service and routing code/config into three files: controllers.js, services.js, and app.js. The top layer module is "app", which has app.controllers and app.services as dependencies. Then app.controllers and app.services can be declared as modules in their own files. T...
Creating a textarea with auto-resize
...king with 1.7.2 - 3.3.1
Simple (Add this jquery code to your master script file and forget about it.)
$('textarea').each(function () {
this.setAttribute('style', 'height:' + (this.scrollHeight) + 'px;overflow-y:hidden;');
}).on('input', function () {
this.style.height = 'auto';
this.style....
How to know if user is logged in with passport.js?
...y value. To solve this issue you need to setup a middleware in your app.js file to make the req.user available globally in your app Like so..
app.use(function (req, res, next) {
res.locals.login = req.user;
next();
});
In your header file you can do this check for authenticated user and display ...
AES Encryption for an NSString on the iPhone
...before any @implementation section in your AppDelegate.m or AppDelegate.mm file.
#import <CommonCrypto/CommonCryptor.h>
@implementation NSData (AES256)
- (NSData *)AES256EncryptWithKey:(NSString *)key {
// 'key' should be 32 bytes for AES256, will be null-padded otherwise
char keyPt...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
...rchitecture of the build machine
--host=the architecture that you want the file to run on
However, when you are building toolchains, things can get more complicated. I think that the following is correct (though I can't say I've ever manually compiled a cross-debugger):
Lets say that you have:
...
Java, Classpath, Classloading => Multiple Versions of the same jar/project
...rsion of jars:
URLClassLoader loader1 = new URLClassLoader(new URL[] {new File("httpclient-v1.jar").toURL()}, Thread.currentThread().getContextClassLoader());
URLClassLoader loader2 = new URLClassLoader(new URL[] {new File("httpclient-v2.jar").toURL()}, Thread.currentThread().getContextClassLoader(...
How do I execute inserts and updates in an Alembic upgrade script?
... In case I always wanted to read a SQL statement from an external file and then pass it to op.execute in upgrade(), is there a way to provide a default template to be used by alembic revision command (a default body for the generated .py file)?
– Quentin
...