大约有 17,000 项符合查询结果（耗时：0.0310秒） [XML]
Get button click inside UITableViewCell
...kOnCellAtIndex:withData:)]) {
[self.delegate didClickOnCellAtIndex:_cellIndex withData:@"any other cell data/property"];
}
}
In table view controller cellForRowAtIndexPath after dequeing the cell, set the above properties.
cell.delegate = self;
cell.cellIndex = indexPath.row; // Set i...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
...
Copying the content from the above link for quick reference:
#define PEM_STRING_X509_OLD "X509 CERTIFICATE"
#define PEM_STRING_X509 "CERTIFICATE"
#define PEM_STRING_X509_PAIR "CERTIFICATE PAIR"
#define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE"
#define PEM_STRING_X509_REQ_OLD "NEW CERTI...
Plotting time in Python with Matplotlib
...nvert the dates to matplotlib format.
Plot the dates and values using plot_date:
dates = matplotlib.dates.date2num(list_of_datetimes)
matplotlib.pyplot.plot_date(dates, values)
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Unresolved external symbol in object files
...ion. Solution was to add following preproc lines in every .h file:
#ifdef __cplusplus
extern "C"
{
#endif
and these in the end
#ifdef __cplusplus
}
#endif
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Programmatically find the number of cores on a machine
...<thread>
//may return 0 when not able to detect
const auto processor_count = std::thread::hardware_concurrency();
Reference: std::thread::hardware_concurrency
In C++ prior to C++11, there's no portable way. Instead, you'll need to use one or more of the following methods (guarded by app...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
... (with corresponding RX flashes on the board) right before the avrdude: ser_recv(): programmer is not responding error.
The trick is to hit the reset button on the board immediately before these three packets are sent. Then the program will be uploaded successfully.
...
How to pass command line arguments to a rake task
... symbol arguments to the task call. For example:
require 'rake'
task :my_task, [:arg1, :arg2] do |t, args|
puts "Args were: #{args} of class #{args.class}"
puts "arg1 was: '#{args[:arg1]}' of class #{args[:arg1].class}"
puts "arg2 was: '#{args[:arg2]}' of class #{args[:arg2].class}"
end
ta...
Set select option 'selected', by value
... easier way that doesn't require you to go into the options tag:
$("div.id_100 select").val("val2");
Check out the this jQuery method.
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Javascript sort array by two fields
...iot proof - but doesn't seem necessary.
function getSortMethod(){
var _args = Array.prototype.slice.call(arguments);
return function(a, b){
for(var x in _args){
var ax = a[_args[x].substring(1)];
var bx = b[_args[x].substring(1)];
var cx;
...
Django queries - id vs pk
...you don't need to care whether the primary key field is called id or object_id or whatever.
It also provides more consistency if you have models with different primary key fields.
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