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Load and execution sequence of a web page?
...oo much about the load and execution sequence of an ordinary web page. But now I need to know detail. It's hard to find answers from Google or SO, so I created this question.
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How to define two fields “unique” as couple
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How would you handle this say if volume_number could be null? Mysql won't seem to enforce unique in that case.
– Greg
Jun 27 '11 at 17:28
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JavaScript Date Object Comparison
...her. Coerce them to number:
alert( +startDate2 == +startDate3 ); // true
If you want a more explicity conversion to number, use either:
alert( startDate2.getTime() == startDate3.getTime() ); // true
or
alert( Number(startDate2) == Number(startDate3) ); // true
Oh, a reference to the spec: §11...
Rails 4 - passing variable to partial
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You need the full render partial syntax if you are passing locals
<%= render @users, :locals => {:size => 30} %>
Becomes
<%= render :partial => 'users', :collection => @users, :locals => {:size => 30} %>
Or to use the new hash sy...
What is an .axd file?
...ptResource.AXD - instead it will be merely passed as the .js file you send if you reference a external script file. If you embed it in code then it may merely appear as part of the html as a tag and code but depending if you code according to how the ToolKit handles it - may or may not appear as as...
What does “%” (percent) do in PowerShell?
... this as answer once it also contains the % role as a modulus operator in different contexts.
– Shaun Luttin
Apr 3 '14 at 19:09
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Read logcat programmatically within application
...ode above.
The "-d" flag instruct to logcat to show log content and exit. If you remove the flag, logcat will not terminate and keeps sending any new line added to it.
Just have in mind that this may block your application if not correctly designed.
good luck.
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Check if key exists and iterate the JSON array using Python
...id_7"}"""
def getTargetIds(jsonData):
data = json.loads(jsonData)
if 'to' not in data:
raise ValueError("No target in given data")
if 'data' not in data['to']:
raise ValueError("No data for target")
for dest in data['to']['data']:
if 'id' not in dest:
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Why is a ConcurrentModificationException thrown and how to debug it
...A, it so happens), but apparently randomly the code throws a ConcurrentModificationException . What is causing it and how do I fix this problem? By using some synchronization, perhaps?
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Difference between TCP and UDP?
What is the difference between TCP and UDP?
12 Answers
12
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