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proper hibernate annotation for byte[]
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What is the portable way to annotate a byte[] property?
It depends on what you want. JPA can persist a non annotated byte[]. From the JPA 2.0 spec:
11.1.6 Basic Annotation
The Basic annotation is the simplest
ty...
changing source on html5 video tag
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Modernizr worked like a charm for me.
What I did is that I didn't use <source>. Somehow this screwed things up, since the video only worked the first time load() was called. Instead I used the source attribute inside the video tag -> <video src="blabl...
How to assign the output of a command to a Makefile variable
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Use the Make shell builtin like in MY_VAR=$(shell echo whatever)
me@Zack:~$make
MY_VAR IS whatever
me@Zack:~$ cat Makefile
MY_VAR := $(shell echo whatever)
all:
@echo MY_VAR IS $(MY_VAR)
share...
Is the Javascript date object always one day off?
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Creating it as just UTC from a string would be what I'd like to do, hence why I asked "How do you "specify the correct timezone"?" regarding where you stated "you just never specified the correct time zone.". If I do new Date('2012-01-01 GMT') it still applies an offset ...
Check folder size in Bash
...should Note that -b applies --apparent-size by itself. And it might not be what you need.
-b, --bytes
equivalent to '--apparent-size --block-size=1'
so I think, you should use --block-size or -B
#!/bin/bash
SIZE=$(du -B 1 /path/to/directory | cut -f 1 -d " ")
# 2GB = 2147483648 bytes...
Is it pythonic to import inside functions?
... file, that way you can tell at a glance how complicated your module is by what it needs to import.
If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file.
O...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...ake a good point that you can avoid some number of joined queries by using what's called a natural key instead of a surrogate key. Only you can assess if the benefit of this is significant in your application.
That is, you can measure the queries in your application that are the most important t...
When would you use a List instead of a Dictionary?
What is the difference between a List of KeyValuePair and a Dictionary for the same types? Is there an appropriate time to use one or the other?
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How to for each the hashmap? [duplicate]
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I know I'm a bit late for that one, but I'll share what I did too, in case it helps someone else :
HashMap<String, HashMap> selects = new HashMap<String, HashMap>();
for(Map.Entry<String, HashMap> entry : selects.entrySet()) {
String key = entry.getKey...
How to avoid Dependency Injection constructor madness?
... case you can write null object implementations to stop the recursion. Not what you need, but the point is that Constructor Injection doesn't prevent cycles - it only makes it clear that they're there.
– Mark Seemann
May 2 '17 at 20:25
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