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Align image in center and middle within div
I have following div
33 Answers
33
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Function pointers, Closures, and Lambda
... illegal:
BOOL (*lessThanTest)(int);
int lessThan = 100;
lessThanTest = &LessThan;
BOOL LessThan(int i) {
return i < lessThan; // compile error - lessThan is not in scope
}
though I could define a function pointer that takes 2 arguments:
int lessThan = 100;
BOOL (*lessThanTest)(int, ...
Rails I18n validation deprecation warning
...e sure your app is not using I18n 0.6.8, it has a bug that prevents the configuration to be set correctly.
Short answer
In order to silence the warning edit the application.rb file and include the following line inside the Rails::Application body
config.i18n.enforce_available_locales = true
T...
What does && mean in void *p = &&abc;
I came across a piece of code void *p = &&abc; . What is the significance of && here?
I know about rvalue references but I think && used in this context is different. What does && indicate in void *p = &&abc; ?
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How to implement custom JsonConverter in JSON.NET to deserialize a List of base class objects?
I am trying to extend the JSON.net example given here
http://james.newtonking.com/projects/json/help/CustomCreationConverter.html
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Is it safe to use -1 to set all bits to true?
...s one:
unsigned long a = ~0u;
It won't necessarily store a pattern with all bits 1 into a. But it will first create a pattern with all bits 1 in an unsigned int, and then assign it to a. What happens when unsigned long has more bits is that not all of those are 1.
And consider this one, which wi...
Selenium wait until document is ready
...
This is a working Java version of the example you gave :
void waitForLoad(WebDriver driver) {
new WebDriverWait(driver, 30).until((ExpectedCondition<Boolean>) wd ->
((JavascriptExecutor) wd).executeScript("return document.readyState").equ...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...rency-guarantees might be broken, leading to subtle errors.
Here's an example using typical settings for an x86 processor (all used 32 and 64 bit modes):
struct X
{
short s; /* 2 bytes */
/* 2 padding bytes */
int i; /* 4 bytes */
char c; /* 1 byte */
/* ...
How to verify if a file exists in a batch file?
... other folder with space\myfile.txt
set __myVariable=
Here's a working example of searching for a file or a folder:
REM setup
echo "some text" > filename
mkdir "foldername"
REM finds file
IF EXIST "filename" (
ECHO file filename exists
) ELSE (
ECHO file filename does not exist
)
R...
CSS Display an Image Resized and Cropped
...image, the user still has to download the image. It might be better to use php and GD or another image editing library to resize and crop the image before sending it to the user. It all depends on what you want, loading the server or the users bandwidth.
– J-Rou
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