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Dynamically creating keys in a JavaScript associative array
...t (bracket {} notation) to avoid the overhead of having .length, .slice(), etc which are included in the Array prototype
– bjornl
Nov 30 '10 at 17:43
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uint8_t vs unsigned char
... are two places where we want to use uint8_t to mean 8 bits (and uint16_t, etc) and where we can have fields smaller than 8 bits. Both places are where space matters and we often need to look at a raw dump of the data when debugging and need to be able to quickly determine what it represents.
The f...
jsonify a SQLAlchemy result set in Flask [duplicate]
...on mixin which I use with my models. The serialization function basically fetches whatever attributes the SQLAlchemy inspector exposes and puts it in a dict.
from sqlalchemy.inspection import inspect
class Serializer(object):
def serialize(self):
return {c: getattr(self, c) for c in i...
Constants in Objective-C
...nst MyFirstConstant;
FOUNDATION_EXPORT NSString *const MySecondConstant;
//etc.
(you can use extern instead of FOUNDATION_EXPORT if your code will not be used in mixed C/C++ environments or on other platforms)
You can include this file in each file that uses the constants or in the pre-compiled h...
Launch custom android application from android browser
...from http://example.com/someresource/ links from apps like hangouts, gmail etc but not from within chrome browser.
to solve this, so that it launches properly from CHROME you have to set intent filter like this
<intent-filter>
<action android:name="android.intent.action.VIEW" />
...
How do I create an array of strings in C?
...s well:
char strs[NUMBER_OF_STRINGS][STRING_LENGTH+1] = {"foo", "bar", "bletch", ...};
This assumes the size and number of strings in the initializer match up with your array dimensions. In this case, the contents of each string literal (which is itself a zero-terminated array of char) are copie...
Immutable vs Unmodifiable collection
...ons, including concurrent modification checks, extra space in hash tables, etc.
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Check if a string is html or not
...will properly detect HTML string, however it has side effect that img/vide/etc. tags will start downloading resource once parsed in innerHTML.
Method #2. Another method uses DOMParser and doesn't have loading resources side effects:
function isHTML(str) {
var doc = new DOMParser().parseFromStrin...
Detect when browser receives file download
...alue to the token's value.
Client source code (JavaScript):
function getCookie( name ) {
var parts = document.cookie.split(name + "=");
if (parts.length == 2) return parts.pop().split(";").shift();
}
function expireCookie( cName ) {
document.cookie =
encodeURIComponent(cName) ...
Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...d of OrderNumber and Customer. This will allow you to do inserts, updates, etc on your keyless table.
If you're not too familiar with doing reverse Code First, go and find a good tutorial on Entity Framework Code First. Then go find one on Reverse Code First (which is doing Code First with an exist...