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How add “or” in switch statements?
...sizes: 1=Small 2=Medium 3=Large");
Console.Write("Please enter your selection: ");
string s = Console.ReadLine();
int n = int.Parse(s);
int cost = 0;
switch(n)
{
case 1:
cost += 25;
break;
...
Image resizing client-side with JavaScript before upload to the server
...ed in a script tag)
You can use it as follows:
<input type="file" id="select">
<img id="preview">
<script>
document.getElementById('select').onchange = function(evt) {
ImageTools.resize(this.files[0], {
width: 320, // maximum width
height: 240 // maximum heigh...
Pretty printing XML with javascript
...tch="node()|@*">
<xsl:copy>
<xsl:apply-templates select="node()|@*"/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
When applying this transformation on the provided XML document:
<root><node/></root>
most XSLT processo...
What are JavaScript's builtin strings?
...
The idea is to just select both n and v and just pick whichever is largest: str[23]>str[27]?str[23]:str[27]. In other words, the tertiary operator is the trick. Could be extended to support IE as well: ([]+/-/[(!!1+[])[1>>1]+(!!1+[])[1&...
iPhone App Minus App Store?
...w the use of this certificate:
Launch Keychain Access.app. With no items selected, from the Keychain menu select Certificate Assistant, then Create a Certificate.
Name: iPhone Developer
Certificate Type: Code Signing
Let me override defaults: Yes
Click Continue
Validity: 3650 days
Click Contin...
How to split/partition a dataset into training and test datasets for, e.g., cross validation?
...escribes, you can just use the following instructions:
from sklearn.model_selection import train_test_split
data, labels = np.arange(10).reshape((5, 2)), range(5)
data_train, data_test, labels_train, labels_test = train_test_split(data, labels, test_size=0.20, random_state=42)
This way you can ...
Is there a jQuery unfocus method?
...fore the window loses focus so that when I come back, the text area is not selected by default. Doesn't seem to work :(
– Alec Smart
May 13 '09 at 10:55
...
When to use Hadoop, HBase, Hive and Pig?
...
Consider that you work with RDBMS and have to select what to use - full table scans, or index access - but only one of them.
If you select full table scan - use hive. If index access - HBase.
s...
Rails: Default sort order for a rails model?
...hen it gets used for actions like where's limiting (filtering) the default selection (a bad idea for a default) rather than just being used for ordering results.
For where selections, just use the regular named scopes. and add that scope on in the query, e.g. Book.all.published where published is a ...
Insert picture/table in R Markdown [closed]
...explained fully here. Again, this function is intelligent in automatically selecting the correct formatting for the output selected.
```{r table}
knitr::kable(mtcars[1:5,, 1:5], caption = "A table caption")
```
If you want to make your own simple tables in R Markdown and are using R Studio, you c...