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How do I put an 'if clause' in an SQL string?
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You can also use the following query to check if the record exists and then update it:
if not exists(select top 1 fromFROM itemsOrdered
WHERE purchaseOrder_ID = '@purchaseOrdered_ID'
AND status = 'PENDING' )
Begin
UPDATE purchaseOrder
SET purchaseOrder_status = 'COMPLETED'
...
How do I ignore the initial load when watching model changes in AngularJS?
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set a flag just before the initial load,
var initializing = true
and then when the first $watch fires, do
$scope.$watch('fieldcontainer', function() {
if (initializing) {
$timeout(function() { initializing = false; });
} else {
// do whatever you were going to do
}
});
The fl...
How do I resolve “Cannot find module” error using Node.js?
...isting what npm modules you depend on and ignore the node_modules folder. Then simply npm install to get setup after you clone the repo.
– Alex Wayne
Jan 26 '12 at 19:20
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What are the differences between the different saving methods in Hibernate?
...our description of merge/persist only being important on transient objects then this makes a ton of sense and fits with how we use hibernate. Also note a merge often has performance limitations compared to an update as it seems to do extra fetching for integrity checks of some sort.
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Auto-size dynamic text to fill fixed size container
...owsers as well.
According to this performance test case it is much faster then the other solutions found here.
(function($) {
$.fn.textfill = function(maxFontSize) {
maxFontSize = parseInt(maxFontSize, 10);
return this.each(function(){
var ourText = $("span", this),...
How to list only top level directories in Python?
...the list comprehensions do. I'd probably do something like DIRNAMES=1 and then next()[DIRNAMES] to make it easier to understand for future code maintainers.
– boatcoder
Nov 15 '12 at 15:49
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Error when trying to obtain a certificate: The specified item could not be found in the keychain
...lem with codesigning my apps, so I deleted all the keys from the keychain. Then I went to Certificate Assistant => Request a certificate from a Certificate Authority (to create CSR for a new certificate).
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Can I set background image and opacity in the same property?
...gt; that is position: absolute; before #main and the same height as #main, then apply the background-image and opacity: 0.2; filter: alpha(opacity=20);.
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Check if property has attribute
...ed(pi, typeof(IsIdentity));
If you need to retrieve attribute properties then
var t = typeof(YourClass);
var pi = t.GetProperty("Id");
var attr = (IsIdentity[])pi.GetCustomAttributes(typeof(IsIdentity), false);
if (attr.Length > 0) {
// Use attr[0], you'll need foreach on attr if MultiUse ...
Java Delegates?
... achieve the same effect by using reflection to get Method objects you can then invoke, and the other way is to create an interface with a single 'invoke' or 'execute' method, and then instantiate them to call the method your interested in (i.e. using an anonymous inner class).
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