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The role of #ifdef and #ifndef
...o do something like that with the old #ifdef/#ifndef pair.
#if defined(ORA_PROC) || defined(__GNUC) && __GNUC_VERSION > 300
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read complete file without using loop in java
...ring> lines = Files.readAllLines(Paths.get("file"), StandardCharsets.UTF_8);
or
String text = new String(Files.readAllBytes(Paths.get("file")), StandardCharsets.UTF_8);
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Django admin: How to display a field that is marked as editable=False' in the model?
...(for django >= 1.2):
class MyModelAdmin(admin.ModelAdmin):
readonly_fields=('first',)
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MySQL Fire Trigger for both Insert and Update
...me.
1. Define the INSERT trigger:
DELIMITER //
DROP TRIGGER IF EXISTS my_insert_trigger//
CREATE DEFINER=root@localhost TRIGGER my_insert_trigger
AFTER INSERT ON `table`
FOR EACH ROW
BEGIN
-- Call the common procedure ran if there is an INSERT or UPDATE on `table`
-- NEW.id is an...
Download File Using jQuery
...? - well, you could also go for a walk instead.
– low_rents
Jul 29 '15 at 9:16
nearly 10 years later: same! or ?
...
Center HTML Input Text Field Placeholder
...lder as well as the text entered into the field
– max_
Sep 11 '11 at 21:48
1
Yes. This is what th...
UIGestureRecognizer on UIImageView
...l zoom/rotate yourself in the gesture handlers. See the sample app Touches_GestureRecognizers on how to do the zoom/rotate.
– user467105
Oct 11 '10 at 21:27
77
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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
... should remember that it is not C# source that executes but rather IL:
IL_0001: ldnull
IL_0002: stloc.0 // s
IL_0003: ldloc.0 // s
IL_0004: callvirt System.String.get_Length
IL_0009: call System.Console.WriteLine
It is the callvirt opcode that throws the NullReferenc...
How to get current date & time in MySQL?
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You can use NOW():
INSERT INTO servers (server_name, online_status, exchange, disk_space, network_shares, c_time)
VALUES('m1', 'ONLINE', 'exchange', 'disk_space', 'network_shares', NOW())
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How do I read configuration settings from Symfony2 config.yml?
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Rather than defining contact_email within app.config, define it in a parameters entry:
parameters:
contact_email: somebody@gmail.com
You should find the call you are making within your controller now works.
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