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How to center an iframe horizontally?
...
Add display:block; to your iframe css.
div, iframe {
width: 100px;
height: 50px;
margin: 0 auto;
background-color: #777;
}
iframe {
display: block;
border-style:none;
}
<div>div</div>
<iframe src="data:,iframe"></iframe>
...
Using git repository as a database backend
...at deals with structured document database. I have a tree of categories (~1000 categories, up to ~50 categories on each level), each category contains several thousands (up to, say, ~10000) of structured documents. Each document is several kilobytes of data in some structured form (I'd prefer YAML, ...
Why does PEP-8 specify a maximum line length of 79 characters? [closed]
...
130
Much of the value of PEP-8 is to stop people arguing about inconsequential formatting rules, and...
How to use HTML Agility pack
...f (htmlDoc.ParseErrors != null && htmlDoc.ParseErrors.Count() > 0)
{
// Handle any parse errors as required
}
else
{
if (htmlDoc.DocumentNode != null)
{
HtmlAgilityPack.HtmlNode bodyNode = htmlDoc.DocumentNode.SelectSingleNode("//body");
if (bodyNode != null...
PHP - Check if two arrays are equal
...
530
$arraysAreEqual = ($a == $b); // TRUE if $a and $b have the same key/value pairs.
$arraysAreEqua...
What is the function of the push / pop instructions used on registers in x86 assembly?
...s on top of the stack into a register. Those are basic instructions:
push 0xdeadbeef ; push a value to the stack
pop eax ; eax is now 0xdeadbeef
; swap contents of registers
push eax
mov eax, ebx
pop ebx
...
Bash Templating: How to build configuration files from templates with Bash?
...bash
while read -r line ; do
while [[ "$line" =~ (\$\{[a-zA-Z_][a-zA-Z_0-9]*\}) ]] ; do
LHS=${BASH_REMATCH[1]}
RHS="$(eval echo "\"$LHS\"")"
line=${line//$LHS/$RHS}
done
echo "$line"
done
. Solution that does not hang if RHS references some variable that referen...
matplotlib: colorbars and its text labels
...bar(heatmap)
cbar.ax.get_yaxis().set_ticks([])
for j, lab in enumerate(['$0$','$1$','$2$','$>3$']):
cbar.ax.text(.5, (2 * j + 1) / 8.0, lab, ha='center', va='center')
cbar.ax.get_yaxis().labelpad = 15
cbar.ax.set_ylabel('# of contacts', rotation=270)
# put the major ticks at the middle of ...
libcurl网络连接使用tcp/ip - C/C++ - 清泛网 - 专注C/C++及内核技术
...url_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "127.0.0.1");
curl_easy_setopt(curl, CURLOPT_PORT, 7102);
/* Do not do the transfer - only connect to host */
curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 1L);
res = curl_easy_perform(curl);
if(CURLE_OK != r...