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How to var_dump variables in twig templates?
...I'm using latest version of Symfony 2.5, and have the config.yml and config_dev.yml setup and debug mode turned on when loading the kernel for the dev environment. I've tried the other manual methods mentioned by Morland below. Either way, I also get a blank page when dump is used. And no dump.
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How to sort a list in Scala by two fields?
...ant for longer names (Wild, Wilder, Wilderman).
If you write
rows.sortBy(_.lastName + _.firstName)
with 2 underlines, the method expects two parameters:
<console>:14: error: wrong number of parameters; expected = 1
rows.sortBy (_.lastName + _.firstName)
...
Handlebars.js Else If
..."default.gif" alt="default">
{{/if}}
http://handlebarsjs.com/block_helpers.html
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Difference between dispatch_async and dispatch_sync on serial queue?
... ensure the serial execution of tasks. The only difference is that dispatch_sync only return after the block is finished whereas dispatch_async return after it is added to the queue and may not finished.
for this code
dispatch_async(_serialQueue, ^{ printf("1"); });
printf("2");
dispatch_async(_se...
How can I use Timer (formerly NSTimer) in Swift?
...syntax (iOS 10+)
let timer = Timer(timeInterval: 0.4, repeats: true) { _ in print("Done!") }
// Swift >=3 selector syntax
let timer = Timer.scheduledTimer(timeInterval: 0.4, target: self, selector: #selector(self.update), userInfo: nil, repeats: true)
// Swift 2.2 selector syntax
...
.NET / C# - Convert char[] to string
...oin("", chars);
//we get "a string"
// or for fun:
string s = string.Join("_", chars);
//we get "a_ _s_t_r_i_n_g"
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.NET Process.Start default directory?
...\system32.
You can determine the value of %SYSTEMROOT% by using:
string _systemRoot = Environment.GetEnvironmentVariable("SYSTEMROOT");
Here is some sample code that opens Notepad.exe with a working directory of %ProgramFiles%:
...
using System.Diagnostics;
...
ProcessStartInfo _processStar...
Saving images in Python at a very high quality
...his after running the commands to plot the image:
plt.savefig('destination_path.eps', format='eps')
I have found that eps files work best and the dpi parameter is what really makes them look good in a document.
UPDATE:
To specify the orientation of the figure before saving simply call the follo...
Apply function to all elements of collection through LINQ [duplicate]
...answered May 31 '14 at 4:47
Jack_2060Jack_2060
54311 gold badge77 silver badges1515 bronze badges
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Android: How to bind spinner to custom object list?
...ld, but just in case...
User object:
public class User{
private int _id;
private String _name;
public User(){
this._id = 0;
this._name = "";
}
public void setId(int id){
this._id = id;
}
public int getId(){
return this._id;
}
...