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Pry: show me the stack
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51
Use the pry-stack_explorer plugin, it allows you to move up and down the call-stack (with up and...
What's the (hidden) cost of Scala's lazy val?
...$0;
private String msg;
public String msg() {
if ((bitmap$0 & 1) == 0) {
synchronized (this) {
if ((bitmap$0 & 1) == 0) {
synchronized (this) {
msg = "Lazy";
}
}
bitmap$0 = bitmap$0 | 1;
...
Android AsyncTask threads limits?
...ecommissioned according to a keep-alive timeout parameter.
Before Android 1.6, the core pool size was 1 and the maximum pool size was 10. Since Android 1.6, the core pool size is 5, and the maximum pool size is 128. The size of the queue is 10 in both cases. The keep-alive timeout was 10 seconds be...
Get loop count inside a Python FOR loop
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edited Jun 21 '18 at 5:09
answered Jul 1 '10 at 23:02
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Django “login() takes exactly 1 argument (2 given)” error
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answered Jul 15 '09 at 22:32
sthsth
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Convert Go map to json
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112
If you had caught the error, you would have seen this:
jsonString, err := json.Marshal(datas)...
MySQL IF NOT NULL, then display 1, else display 0
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214
Instead of COALESCE(a.addressid,0) AS addressexists, use CASE:
CASE WHEN a.addressid IS NOT NU...
Add 2 hours to current time in MySQL?
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edited Aug 20 '13 at 7:23
answered Feb 26 '09 at 8:41
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How to bind a List to a ComboBox?
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160
As you are referring to a combobox, I'm assuming you don't want to use 2-way databinding (if s...
How can i get the session object if i have the entity-manager
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181
To be totally exhaustive, things are different if you're using a JPA 1.0 or a JPA 2.0 implemen...