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How do you delete an ActiveRecord object?
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Why it only updates deleted_at column data in my database? How can I delete the whole row of data?
– TommyQu
Sep 28 '17 at 15:42
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What is the difference between ELF files and bin files?
...u can take this data and load it directly as is, you need to know what the base address is though as that is normally not in there.
An elf file contains the bin information but it is surrounded by lots of other information, possible debug info, symbols, can distinguish code from data within the bin...
In mongoDb, how do you remove an array element by its index?
...eed the operation to be atomic, we could:
Read the document from the database
Update the document and remove the item in the array
Replace the document in the database. To ensure the document has not changed since we read it, we can use the update if current pattern described in the mongo docs
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How can I get color-int from color resource?
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Based on the new Android Support Library (and this update), now you should call:
ContextCompat.getColor(context, R.color.name.color);
According to the documentation:
public int getColor (int id)
This method was deprecat...
Comparison between Mockito vs JMockit - why is Mockito voted better than JMockit? [closed]
...garding Proxy & CGLIB vs instrumentation:
(EasyMock and jMock) are based on java.lang.reflect.Proxy,
which requires an interface to be
implemented. Additionally, they
support the creation of mock objects
for classes through CGLIB subclass
generation. Because of that, said
classes...
How to read a file into a variable in shell?
...lem for the:
value="$(cat config.txt)"
type solutions, but not for read based solutions.
Command expansion removes trailing newlines:
S="$(printf "a\n")"
printf "$S" | od -tx1
Outputs:
0000000 61
0000001
This breaks the naive method of reading from files:
FILE="$(mktemp)"
printf "a\n\n" &...
How to use php serialize() and unserialize()
...common denominator" that can be handled by things other than PHP, like databases, text files, sockets. The standard PHP function serialize is just a format to express such a thing, it serializes a data structure into a string representation that's unique to PHP and can be reversed into a PHP object ...
Merge branch with trunk
... from the TortoiseSVN Merge dialog, merging all changes from the trunk (or base branch) first is a requirement.
– jbvo
Feb 17 '11 at 15:41
1
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Is there a JavaScript strcmp()?
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var strcmp = new Intl.Collator(undefined, {numeric:true, sensitivity:'base'}).compare;
Usage: strcmp(string1, string2)
Result: 1 means string1 is bigger, 0 means equal, -1 means string2 is bigger.
This has higher performance than String.prototype.localeCompare
Also, numeric:true makes it d...
How to use PHP OPCache?
...ot of fields and validation methods and enums to be able to talk to my database.
Without opcache
When using this script without opcache and I push 9000 requests in 2.8 seconds to the apache server it maxes out at 90-100% cpu for 70-80 seconds until it catches up with all the requests.
Total time...