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How to test an SQL Update statement before running it?
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In addition to using a transaction as Imad has said (which should be mandatory anyway) you can also do a sanity check which rows are affected by running a select using the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AN...
What is the benefit of zerofill in MySQL?
...ILL it pads the displayed value of the field with zeros up to the display width specified in the column definition. Values longer than the display width are not truncated. Note that usage of ZEROFILL also implies UNSIGNED.
Using ZEROFILL and a display width has no effect on how the data is stored. ...
How to format numbers as currency string?
...(number - i).toFixed(decPlaces).slice(2) : "");
}
document.getElementById("b").addEventListener("click", event => {
document.getElementById("x").innerText = "Result was: " + formatMoney(document.getElementById("d").value);
});
<label>Insert your amount: <input id="d" type="text"...
Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...xample of using Ajax.BeginForm within Asp.net MVC 3 where unobtrusive validation and Ajax exist?
8 Answers
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AngularJS - How to use $routeParams in generating the templateUrl?
...ur application has 2-level navigating. We want to use AngularJS $routeProvider to dynamically provide templates to an <ng-view /> . I was thinking of doing something along the lines of this:
...
How to set a bitmap from resource
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Try this
This is from sdcard
ImageView image = (ImageView) findViewById(R.id.test_image);
Bitmap bMap = BitmapFactory.decodeFile("/sdcard/test2.png");
image.setImageBitmap(bMap);
This is from resources
Bitmap bMap = BitmapFactory.decodeResource(getResources(), R.drawable.icon);
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Doctrine 2 can't use nullable=false in manyToOne relation?
... without a Package defined. User should own the relation. Relation is bidirectional, so a Package has zero or more users in it.
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Docker how to change repository name or rename image?
...e if there's only one tag for the image name at stake. But it's quite very idiosyncratic that the image name is called a REPOSITORY (and not an image) in the output of docker images while it needs to be renamed with a command called tag whereas TAG is a separate column in that output. I hope they c...
How do you underline a text in Android XML?
...nderline something from code use:
TextView tv = (TextView) view.findViewById(R.id.tv);
SpannableString content = new SpannableString("Content");
content.setSpan(new UnderlineSpan(), 0, content.length(), 0);
tv.setText(content);
Hope this helps
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Drawable image on a canvas
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getDrawable(id) is being deprecated, you should either use the ContextCompat call above, or the getDrawable(id, theme) call. developer.android.com/reference/android/content/res/…
– wblaschko
Dec ...